Mixed-Signal Solutions for Space

Aerospace and Defense

www.microchip.com

www.microchip.com2

Leading Space Innovation for Sixty Years

Extensive Space HeritageMicrochip has been developing space solutions for almost six decades and has played an important role in a wide variety of space programs globally. The company has a proven track record for innovation, quality, and reliability, and continues to build on that legacy with an impressive portfolio of industry-leading new products and technology innovations.

A Partner for the Long RunMicrochip’s high-reliability products and solutions have been used in applications that require high levels of radiation-hard-ness for trips to the moon, Mars and beyond. Microchip has always responded to the specifi c needs of space applications and has a longstanding commitment to the space market.

Broad Solutions PortfolioWith one of the industry’s most comprehensive space products portfolios, Microchip provides radiation-hardened and radiation-tolerant solutions including high-performance FPGAs, precise frequency and timing solutions with space-grade oscillators, mixed-signal ICs, isolated DC–DC converter modules, custom power supplies, hybrid solutions, MOSFETs, diodes, transistors, RF components and custom solutions. We are committed to supporting our products throughout the lifetime of our customer’s programs.

Continuous InnovationWe continue to innovate in areas such as semiconductor materials, advanced packaging technologies, and high-density integrated circuits. Our products are qualifi ed to the highest government, DLA, NASA, and ESA standards, and their reliability has been independently verifi ed by multiple agencies. As your supply partner for electronic systems in space, Microchip can solve problems at all stages of design and implementation, including power conversion and distribu-tion, radio and radar signal processing, system telemetry and control, digital logic integration and semiconductor packaging. We invite you to explore Microchip’s solutions and engage with us to help solve your most diffi cult space system design challenges.

Satellites• Attitude and orbit control systems• Electrical power systems• TT&C/C&DH systems• Communications payload• Remote sensing payload• Solar array and power conditioning• Active and passive image payload• Solid state recorders

Launchers• Navigation and guidance systems• Electrical power systems• TT&C/C&DH systems• Propulsion control systems

Landers• Navigation and guidance systems• Electrical power systems• TT&C/C&DH systems• Science experiment payloads• RF communications subsystems• Cameras and imagers• Motor control systems

Mixed-Signal Solutions for Space 3

Space System Manager ICs

Space System Manager Integrated CircuitsMicrochip continues to build on expertise in space with breakthrough additions to our radiation-tolerant IC portfolio. Our new Space System Manager (SSM) family integrates commonly used mixed-signal satellite functions into a single space-saving IC. The SSM IC interfaces with a microcontroller or an FPGA to offer a complete application-specific solution that allows you to achieve aggressive weight and space requirements while increasing reliability.

LX7720: Radiation-Tolerant Position Sensing and Motor ControllerAs the industry’s first highly integrated radiation-tolerant position sensing and motor control integrated circuit, the LX7720 significantly reduces weight and board space relative to conventional discrete implementations, offering a unique solution for satellite manufacturers sensitive to area and weight challenges.

Features• Radiation tolerant by design• Four half-bridge N-channel MOSFET drivers• Four floating differential current sensors• Pulse modulated resolver transformer driver• Three differential resolver sense inputs• Six bi-level logic inputs• Fault detection• 132 pin ceramic quad flatpack• Radiation tolerant: 100 krad TID, 50 krad ELDRS,

single event effects

Applications• Motor driver servo control• Linear actuator servo control• Stepper, BLDC, PMSM motor drivers

Part Number Description

LX7720MFQ-ES Engineering samples.

LX7720MFQ-EQ Built per QML-Q flow. This will convert to LX7720MFQ-Q once QML certification is achieved and parts will also be orderable by SMD number.

LX7720MFQ-EV Built per QML-V flow. This will convert to LX7720MFQ-V once QML certification is achieved and parts will also be orderable by SMD number.

LX7720-DB Daughterboard available to work with company’s RTG4™ FPGA Development Kit.

LX7720

4Half-

BridgeDrivers

ResolverInterface

LPF

4FloatingCurentSense

6Bi-levelImputs

Microcontrolleror

FPGA

VPS

www.microchip.com4

Space System Manager ICs

LX7730: Radiation-Tolerant Telemetry Controller ICMicrochip’s LX7730 off ers space system architects and designers the highest level of integration for telemetry applications available today to address their increasing needs and requirements. The LX7730 integrates the required functions in satellite telemetry systems such as sensor monitoring, attitude, and payload control, and interfaces with radiation-tolerant FPGAs such as those off ered in Microchip’s portfolio of FPGA solutions.

Features• Radiation tolerant by design• QML certifi ed to Q and V fl ows• 64-channel MUX• Break-before-make switching• 13 ksps 12-bit ADC• 3% precision adjustable current source• 1% precision 5.00 V source• Threshold monitoring• 8x bi-level logic• 10-bit DAC• Supports parallel or dual SPI interface• 132 pin ceramic quad fl atpack• Radiation tolerant: 100 krad TID, 50 krad

ELDRS, single event eff ects

Applications• Spacecraft health monitoring• Attitude control• Payload equipment

Part Number Description

LX7730MFQ-ES Engineering samples (using production silicon).

LX7730MFQ-Q5962-1721901QXC

QML-Q certifi ed

LX7730MFQ-V5962-1721901VXC

QML-V certifi ed.

LX7730-EVBEvaluation board: allows user to exercise LX7730 features when coupled with USB to serial interface.Application software provided. Includes cable assembly.

LX7730-DB Daughterboard available to work with RTG4™ FPGA Development Kit.

+

-

+

-

Microcontrolleror

FPGA

Parallel

Main Power

SPI_A

SPI_B

LX7730

8 CurrentLevels

ParallelInterface

andRegisters

64-ChannelSensorMUX

Internal LDOsand Charge

Pump

VREF

12-bitADC

8-bitDAC

Level Detect

10-bitCurrent

DAC

8 Bi-level Inputs

2.5 V

Mixed-Signal Solutions for Space 5

Space System Manager ICs

Space System Manager ApplicationsOur Space System Managers offer space-saving solutions in many satellite applications, including those shown.

Attitude and Orbit Control

Telemetry Tracking and Control

Serial

Thruster Assembly

Reaction Wheel Assy

Serial

Serial

SerialOther Sensors: • Magnetometer • Gyros

AttitudeControlFPGA

3 AxisReactionWheels

SingleBoard

Computer

Orbit/AttitudeDetermination

FPGA

OrbitControlFPGA

CommunicationControlFPGA

AOC Processor

3 x LX7720

LX7730

LX7730

FPGA

Serial Thrusters:Valves and

Pointing MotorsLX7720sFPGA

Commandand DataHandling

3 AxisMagneticTorquers

3 x LinearAmplifier

Sun Sensor

Star Tracker

DAC

LDOs

Discretes

DC–DCConverters

Power Systemsand Components

Serial Strain

CurrentVoltage

Temperature

CurrentVoltage

Temperature

CurrentVoltage

Temperature

TemperatureSerial

Serial

Serial

Serial

Command andData Handling

Telemetry Transponder

SingleBoard

Computer

FPGA

FPGAFPGA

RF Demod

RF Mod

LX7730

LX7730

LX7730

LX7730

LX7730

FPGA

FPGA

FPGA

FPGA

FPGA

PayloadInstrument

PayloadHousekeeping

StructureMonitoring

CAN orMIL-STD-

1553Robust Ckt

CAN orMIL-STD-

1553CAN or

MIL-STD-1553

Robust Ckt

CAN orMIL-STD-

1553Robust Ckt

ThermalSensors forTemperature

Control

CAN orMIL-STD-

1553Robust Ckt

CAN orMIL-STD-

1553Robust Ckt

LDOs

Discretes

DC–DCConverters

Power Systemsand Components

PowerControl andDistribution

www.microchip.com6

Development Tools

Space System Manager Development ToolsVarious evaluation boards and daughterboards are available to support development using the space system manager products. Please refer to the product pages on our website for associated user guides and support material.

RTG4 Development Kit With LX7730 DaughterboardAllows you to connect the LX7730 to the RTG4 FPGA devel-opment kit and evaluate key functions.

LX7730 Evaluation BoardAllows you to exercise LX7730 features when coupled with a USB-to-serial interface. Application software is provided and includes cable assembly.

RTG4 Development Kit With LX7720 DaughterboardAllows you to connect the LX7720 to the RTG4 FPGA devel-opment kit and evaluate key functions.

The RTG4 development kit provides you with an evaluation and development platform for applications such as data transmission, serial connectivity, bus interface and high-speed designs using RTG4 radiation-tolerant high-density high-performance FPGAs. The development board features a RT4G150 device off ering more than 150,000 logic elements in a ceramic package with 1,657 pins.

Additional tools are being developed to provide reference designs with other Microchip microcontroller and FPGA products. Please check with us for recent updates.

Mixed-Signal Solutions for Space 7

Radiation-Tolerant Source Drivers and Diode Arrays

AAHS298B Radiation-Tolerant 8-Channel Source DriverThe AAHS298B source driver includes eight non-inverting channels and can be used to provide an interface from TTL level, 5 V, or 12V logic systems to relays, stepper and servo motors, solenoids, and other loads. Each output is capable of sourcing 700 milliamps (mA) with a withstand voltage of 50 V across the full military operating range, allowing manufacturers to develop more compact solutions. It includes an internal thermal shutdown feature to protect against over-current and soft-start occurrences.

Features• Radiation tolerant by design • 700mA output source current• Zero quiescent off current• Full channel isolation to prevent fault propagation• Internal ground clamp diodes• 75V output breakdown voltage• TTL, 5V and 12V logic compatible• Internal thermal shutdown• Radiation tolerant to 100 krad(Si) total dose, 50 krad (Si) ELDRS• -55°C to +125°C temperature range• Available in 20-pin ceramic SOIC with formed and flat leads• QML listed with SMD 5962-15231

Part Number Description

AAHS298B-S-S20B-ENGR Engineering Samples

AAHS298B-S-S20B-SSMD 5962-1523101VXC

20 pin CSOIC with formed leads, QML-V certified

AAHS298B-S-S20B-BSMD 5962-1523101QXC

20 pin CSOIC with formed leads QML-Q certified

AAHS298B-07-4020A-VSMD 5962-1523101VYC

20 pin CSOIC with flat leads QML-V certified

AAHS298B-06-4020A-QSMD 5962-1523101QYC

20 pin CSOIC with flat leads QML-Q certified

1 20

12

13

14

15

16

17

18

19IN1

IN4

IN2

IN3

VS

IN5

IN8 OUT8

VS

IN6

IN7

GND

OUT7

OUT6

OUT5

OUT4

OUT2

OUT1

OUT3

GND

2

3

4

5

6

7

8

9

10 11

InputLevelShift

Bias &Controls

www.microchip.com8

Radiation-Tolerant Source Drivers and Diode Arrays

LX7710 Radiation-Tolerant 8-Pair Diode ArrayThe LX7710 offers eight series-connected diode pairs, providing redundant protection should one fail in a short circuit event, ensuring reliability even in harsh space environments. The diodes within the integrated circuit are electrostatic discharge (ESD) protected and offer a minimum of 125 V breakdown voltage and can handle up to 700 mA of continuous current. The LX7710 is designed for power OR-ing, redundant power sourcing, aerospace satellite manufacturing, and military power electronics control applications.

Features• Radiation tolerant by design• 125V minimum breakdown voltage even if one diode in any string happens to fail (redundant)• 700mA current capability per diode• Low leakage current• ESD protected• Rad-tolerant to a minimum 100 krad(Si) TID and SEL immunity to a minimum of 87 MeV cm2/mg• -55°C to +125°C temperature range

• 20-pin ceramic SOIC with formed leads• QML listed with SMD 5962-1621001

Part Number Description

LX7710MDWC-ES Engineering Samples

LX7710MDWC-QSMD 5962-1621001QXC

QML-Q certified

LX7710MDWC-VSMD 5962-1621001VXC

QML-V certified

CH2 Power BusCH3 Power Bus

CH1 Power Bus

CH4 Power Bus

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11 1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

111

2

3

4

5

6

7

8

910 11

12

20

19

18

17

16

15

14

13

VS1

VS1

IN1IN2IN3IN4IN5IN6IN7IN8

AAHS298B

VS2

VS2

IN8IN7IN6IN5IN4IN3IN2IN1

CH6 Power BusCH7 Power Bus

CH5 Power Bus

CH8 Power Bus

LX7710 LX7710 1

2

3

4

5

6

7

8

9

1011

12

20

19

18

17

16

15

14

13

AAHS298B

Mixed-Signal Solutions for Space 9

Radiation-Tolerant Power Line Protection

LX7712: Power Line Protection IC/Latchable Current LimiterFeatures• Radiation tolerant by design• Internal 5A PMOS switch and diode• 120V rated• LCL or FCL configurable• ON, OFF, and STATUS pins• Programmable UVLO and STATUS• Parallel-able for higher currents• Current limit and monitor• Current slew rate limit

• Chip temp monitor• 48-lead hermetic HTF flatpack package – 19 mm x19 mm• Radiation tolerant: 100krad TID, 50 krad ELDRS, SEL

free–87Mev-cm2/mg• ESA Standards

• ECSS-E-HB-20-20A • ECSS-E-ST-20-20C

• Sampling now

UVLO andReferences

Switch and Loss LessCurrent Sense

Current LimitSetting and Monitor

Optional On/OffSlew Rate Limit

LCL Timingand

Shutdown

MaximumTemp Detect

LevelControl

HS_SINK

HS_RAILLS_RAILVREF

I_CH_SOAI_CH_CCI_DCH_CC

LOAD

LOAD

FW_GND

VO_MON

To SW Vgs

STATUS

/OT_FLT

CL_FB

FB/LVL

HICCUP

/SHDN

IR_TC

ON

I_SET

LINE

UVLO

GND

I_MON

OFF

CL_LVL

CL_MIN

LS_SOURCE

www.microchip.com10

Radiation-Tolerant Power Line Protection

LX7714: RT Satellite Power Bus Controller/Quad Resettable Fuse and Relay ReplacementFeatures• Radiation tolerant by design• Internal 2.5A maximum rated power switch• Four resettable fuse + relay blocks/package • Switches voltage up to 45 VDC • Low switch voltage drop • Self-resettable for protection from faults • Hiccup mode to enable healing from shorts • Efficient current sharing when paralleled • Internal output voltage rise time control • Differential TTL input On/Off control • Power On, Off, and Hiccup Mode status • Thermal shutdown for secondary protection • Low resistance 28- pin ceramic flat package • Radiation tolerant: 100 krad TID, 50 krad ELDRS, SEL free–87Mev-cm2/mg• Sampling CQ3 2019

PMOS Switch,Current Sense,

10A Current Limit,Slew Rate Control

Moderate Fault Protection,Extreme Fault Protection,

Over Temp Protection

Control LogicStatus Indication

LOADLINE

GND

CNTL PPWR GOOD

IN RESETCNTL N

Mixed-Signal Solutions for Space 11

Custom Solutions for Space

Mixed-Signal Integrated Custom Space SolutionsMicrochip has 25 years of custom ASIC development experi-ence, with expertise in space and aviation applications, and over 15 years of flight heritage for mixed signal IC custom solutions. We offer fully custom designs, from specification to production, including mixed-signal solutions integrating complex analog functions with limited logic circuitry (up to 100k gates), ICs designed for challenging operating condi-tions, radiation tolerance by design for 100 krad TID minimum, SEL/ SEU immunity, with cold-sparing on I/Os for redundant applications or extreme temperature environments (225 °C), and with screening to MIL-PRF requirements (Class Q, Class V, or as specified by customer).

As your supply partner for electronic systems in space, Microchip can solve problems at all stages of design and implementation. We invite you to explore Microchip’s solutions and engage with us to help solve your most difficult space system design challenges and develop roadmaps for standard products in the future.

Flight HeritageOur mixed-signal solutions for space have growing flight heritage. For our newest family members, flight heritage has oftentimes been established with custom ICs that share simi-lar functional blocks built with the same fabrication processes and utilizing the same manufacturing flows and facilities.

Radiation DataOur space products are subjected to the radiation exposure that can occur in satellite applications. Our standard expo-sures are:• Total dose to a minimum of 100 krad• ELDRS to a minimum of 50 krad• Single event effects, including SEL and SEU

Radiation test results are listed on the associated product pages on our website. In some cases, we perform testing to higher tolerance levels. Please contact your local sales office for these options.

www.microchip.com

SupportMicrochip is committed to supporting its customers in de-veloping products faster and more effi ciently. We maintain a worldwide network of fi eld applications engineers and technical support ready to provide product and system assistance. For more information, please visit www.microchip.com:• Technical Support: www.microchip.com/support• Evaluation samples of any Microchip device:

www.microchip.com/sample• Knowledge base and peer help:

www.microchip.com/forums• Sales and Global Distribution: www.microchip.com/sales

TrainingIf additional training interests you, Microchip off ers several resources including in-depth technical training and reference material, self-paced tutorials and signifi cant online resources.• Overview of Technical Training Resources:

www.microchip.com/training• MASTERs Conferences:

www.microchip.com/masters• Developer Help Website:

www.microchip.com/developerhelp• Technical Training Centers:

www.microchip.com/seminars

Microchip Technology Inc. | 2355 W. Chandler Blvd. | Chandler AZ, 85224-6199

Sales Offi ce ListingAMERICASAtlanta, GATel: 678-957-9614Austin, TXTel: 512-257-3370Boston, MATel: 774-760-0087Chandler, AZ (HQ)Tel: 480-792-7200Chicago, ILTel: 630-285-0071Dallas, TXTel: 972-818-7423Detroit, MITel: 248-848-4000Houston, TXTel: 281-894-5983Indianapolis, INTel: 317-773-8323Tel: 317-536-2380Los Angeles, CATel: 949-462-9523Tel: 951-273-7800Raleigh, NCTel: 919-844-7510New York, NYTel: 631-435-6000San Jose, CATel: 408-735-9110Tel: 408-436-4270Canada - TorontoTel: 905-695-1980

EUROPEAustria - WelsTel: 43-7242-2244-39Denmark - CopenhagenTel: 45-4450-2828Finland - EspooTel: 358-9-4520-820France - ParisTel: 33-1-69-53-63-20France - Saint CloudTel: 33-1-30-60-70-00Germany - GarchingTel: 49-8931-9700Germany - HaanTel: 49-2129-3766-400Germany - HeilbronnTel: 49-7131-67-3636Germany - KarlsruheTel: 49-721-62537-0Germany - MunichTel: 49-89-627-144-0Germany - RosenheimTel: 49-8031-354-560

EUROPEIsrael - Ra’ananaTel: 972-9-744-7705Italy - MilanTel: 39-0331-742611Italy - PadovaTel: 39-049-7625286Netherlands - DrunenTel: 31-416-690399Norway - TrondheimTel: 47-7289-7561Poland - WarsawTel: 48-22-3325737Romania - BucharestTel: 40-21-407-87-50Spain - MadridTel: 34-91-708-08-90Sweden - GothenbergTel: 46-31-704-60-40UK - WokinghamTel: 44-118-921-5800

ASIA/PACIFICAustralia - SydneyTel: 61-2-9868-6733China - BeijingTel: 86-10-8569-7000China - ChengduTel: 86-28-8665-5511China - ChongqingTel: 86-23-8980-9588China - DongguanTel: 86-769-8702-9880China - GuangzhouTel: 86-20-8755-8029China - HangzhouTel: 86-571-8792-8115China - Hong Kong SARTel: 852-2943-5100China - NanjingTel: 86-25-8473-2460China - QingdaoTel: 86-532-8502-7355China - ShanghaiTel: 86-21-3326-8000China - ShenyangTel: 86-24-2334-2829China - ShenzhenTel: 86-755-8864-2200China - WuhanTel: 86-27-5980-5300China - XiamenTel: 86-592-2388138China - XianTel: 86-29-8833-7252

ASIA/PACIFICChina - ZhuhaiTel: 86-756-321-0040India - BangaloreTel: 91-80-3090-4444India - New DelhiTel: 91-11-4160-8631India - PuneTel: 91-20-3019-1500Japan - OsakaTel: 81-6-6152-7160Japan - TokyoTel: 81-3-6880-3770Korea - DaeguTel: 82-53-744-4301Korea - SeoulTel: 82-2-554-7200Malaysia - Kuala LumpurTel: 60-3-6201-9857Malaysia - PenangTel: 60-4-227-8870Philippines - ManilaTel: 63-2-634-9065SingaporeTel: 65-6334-8870Taiwan - Hsin ChuTel: 886-3-577-8366Taiwan - KaohsiungTel: 886-7-213-7830Taiwan - TaipeiTel: 886-2-2508-8600Thailand - BangkokTel: 66-2-694-1351

10/28/16

The Microchip name and logo and the Microchip are registered trademarks and trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are property of their respective companies. © 2019, Microchip Technology Incorporated. All Rights Reserved. 3/19 DS00002952A