Traction Inverter L9502B / L9502 Isolated Gate Driver for Traction Inverter 5 • 15A driver...

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Transcript of Traction Inverter L9502B / L9502 Isolated Gate Driver for Traction Inverter 5 • 15A driver...

  • Traction Inverter

    ST New Solutions

  • System Block diagram 2 • SPC58NN

    • GTM V3 for fully programmable and flexible

    timer system designed to unload the CPU

    • SAR ADC & Σ-Δ ADC support Software

    Resolver in evaluation

    • SBC L9396

    • Multiple Power Supply IC

    • SIC/ IGBT

    • 750V SiC MOSFETs

    Gen 2 High Voltage Product Family

    • 1200V SiC MOSFETs

    Gen 2 High Voltage High Performance

    Product

    • L9502

    • Single isolated Gate Driver (6kV)for TRACTION

    With protection, diagnostics and communication

    • Designed for ISO26262 compliance

    • Kit Solution approach

    LVBAT

    VCU Voltage

    regulator

    Power supply protection

    Can interface

    Analog input

    SPC58

    VDD-HS VDD-LS

    SPI INT WDI RST

    ERROR

    Driver temp*3 Phase current UVW

    Power supply

    protection HVBAT

    ASC

    SP I

    Gate signal

    Motor temp

    Current sensor

    Over current protection

    Voc

    Vref

    Buffer circuit

    Exc+ Exc-

    S1 S2 S3 S4

    H V

    con n

    e cto

    r

    U V W

    Supply monitor

    V B

    ST V

    C C

    V C

    C 5

    V P

    R E

    R E

    G

    VCORE

    VCC5

    VDD30VCC

    VCC

    Isolate

    Low voltage

    High voltage

    Boost

    L9396

    Flyback

    Three-phase bridge SIC Mosfet & IGBT

    Inverter Temp

    Sensor

    Tsen

    Gate signal

    VDD-HS VDD-LS

    Resolver & Temp sensor

    con n

    ector

    L9502*6 Capacitive Isolation

    Phase current UVW

    Isen

    Digital input Air bag ASC

    VDD30

    M

    H V

    con n

    e cto

    r

    con n

    ector

    Ain

    FSN ASC

    Backup Power Brake

    DIS ADC_ OUT

    A D

    C _O

    U T

    H-bridge

    VNHD7008

    /

    VNHD7012

    Parking locker

    IGBT: STGYA120M65DF2AG/

    STG200M65F2D8AG

    SiC module: ADP86012W2/ ADP50075W2

  • ST Automotive Microcontroller 10.03.2020

    3

    Debug

    JTAG

    Nexus

    Memory Protection Unit

    Crossbar Switch

    6M

    4x 64k

    FLASH

    64K

    SRAM

    3 *

    L IN

    F le

    x

    4 *D

    S P

    I

    1* SENT

    4 5

    *D S

    P I

    4 9

    * L

    IN F

    le x

    MEMU

    64K

    SRAM

    HSM

    1* PSI5

    ASILD SEooC

    1* SENT

    4 *

    C A

    N -F

    D

    4 *

    M C

    A N

    1* PSI5

    Product / Application Specific Memory ConnectivitySystem / Platform

    supervisor

    ˙˙˙

    ADC 2xSAR12

    1xSAR10

    3xΣΔ

    ˙˙˙

    ADC 2xSAR12

    1xSAR10

    3xΣΔ

    1 * PIT 1 * PIT CRCCRC TSENS

    INTC Power Architecture™

    e200z4d

    VLE

    INTC

    STM

    SWT

    16k-i

    Cache

    FPU

    CMPU

    128k-d TCM

    STM

    SWT

    128k-d TCM

    32k-i TCM

    32k-i TCMLSP

    Power Architecture™

    e200z4d

    16k-i

    Cache

    CMPU

    8k-d

    Cache

    VLE FPU

    Periph.

    Bridge

    Memory Protection Unit

    Crossbar Switch

    1* PSI5-S

    FMPLL

    IRC

    x2 1 LS

    GTM 48x IC

    96x OC

    5x MCS

    1 *

    E th

    e rn

    e t

    Z ip

    w ir

    e

    S IP

    I

    3 2

    e D

    M A

    1 *F

    le x R

    a y

    6 4

    e D

    M A

    Periph.

    Bridge

    Cal Bus

    1 *I

    2 C

    Core

    • 3x 200 MHz Power Architecture™ ISA e200z4d Core (VLE) • Dual Issue Core with Floating Point Unit &

    LSP(DSP) • 3x (16k-Instruction Cache, 8k-Data

    Cache) • 3x (32k Local i-RAM, 128k Local d-RAM) • 2x Lock Step configuration

    Memory

    • 6M byte RWW Flash with ECC • +4x64k+2x16k Data Flash with ECC

    • 512k RAM (128k SRAM, 384k Local d-RAM) with ECC • +61k SRAM on Timer Module • +32k Overlay RAM

    I/O

    • Generic Timer Module (High-End Version)

    • Dual Channel FlexRay (10MB/s), 128 buffers

    • 7 x (FD)M-CAN, 1 x (FD)M-TTCAN

    • 7 x LINFlex, 8 x DSPI including 2 x μSB

    • 1 x Ethernet, 1 x I2C

    • 15 x SENT, 2 x PSI5, 1 x PSI5-S

    • 61/84 channel ADC (QFP176/BGA292) • 4 SAR ADC, 12-bit, TUE ±4LSB • 1 Supervisor ADC, 12-bit, TUE ±4LSB • 3 SAR ADC, 10-bit, TUE ±1.5LSB • 6 Σ-Δ ADC with OSR x32-64

    System

    • Security Module (HSM)

    • FM-PLL

    • MPU

    • AMU

    • 96 Channel eDMA Controller

    • 2 x CRC Unit

    • Fault Collection & Control Unit (incl. error pin)

    • 8 x PIT

    • 1x LFAST (Interprocessor bus)

    • Nexus Class 3+

    • EBI only for Calibration (High speed debug interface)

    • Designed for eLQFP176, LFBGA292 and KGD

    8k-d

    Cache

    LSP

    FCCU

    ADCQ

    SPC58 xN - Bernina Superset Block Diagram

    Qualified

  • 4

    FAULT

    WDTDIS

    Voltage

    Monitor

    Wake-up

    Monitor

    IGN

    Boost

    Controller

    9V

    300mA

    2MHz GNDBST

    BSTSW

    VBG

    VBM

    VBST

    CPCharge Pump

    G N

    D A

    ResetRESET

    G N

    D 1

    Control & Logic

    Blocks

    SPI

    Ctrl/

    Status

    Reg.

    Temp

    Mon

    Oper

    Modes

    Fail-

    Safe OpFSN

    WD

    CSN

    SDI SDO

    CLK

    Int. analog

    3V3 supply

    Int. digital

    3V3 supply

    POR &

    Osc.

    Buck

    6.5V / 7.2V

    1000mA

    465KHz

    BCKSW

    VPREREG

    LDO VCC5

    5.0V

    250mA VCC5

    LDO VCC

    3.3V / 5.0V

    100mA VCC

    VCCSEL

    VCORE

    0.8V / 3.3V

    1000mA

    Buck w/ext FET

    500mA

    Lin w/ext. FET

    VCOREFDBK

    Fail Safe

    FET

    HS predr

    Pump Motor FET

    HS+LS pre driver

    (PWM control)

    P D

    S

    VDBATTWSS / TrackRegRSU0H/L

    W S

    O 0

    W S

    O 1

    W S

    O 2

    W S

    O 3

    AI[0..4]

    HV Mux +

    ADC Converter

    Battery protected

    switch

    VB VB_SW

    Decoding

    GCORE

    VC1 VC2

    P D

    G

    VDS VDG

    SCORE

    System

    Voltages

    LS GPO driver

    (PWM control)

    GPOD0

    Voltage

    regulation

    Motor turn

    counter in Low

    Power Mode

    VC3 VC4

    I_CORE_SH

    I_CORE_SL

    VCORE

    PRN

    RSU1H/L RSU2H/L RSU3H/L

    P R

    S

    P R

    G

    P R

    I

    P D

    I PDBATT

    • Boost Converter, 9V, up to 0.3A - 2MHz with spread spectrum

    • Buck Converter, 6.5V/7.2V, up to 1.0A – 465KHz with spread spectrum

    • LDO VCC5 (5V +/-2%, 250mA), LDO VCC (3.3V / 5V +/-2%, 100mA), VCORE (0.8V / 5V +/-2% - µC core supply, max

    1000mA in switching mode, max 750mA in linear mode)

    • 4 WSS regulated interface /2 tracking regulators (120mA)

    • Integrated 10-bit ADC

    • HS pre-drivers for fail safe relay and for motor pump

    • Configurable Watchdog (Time-out / Window / Periods) & configurable Fail-Safe Functionality

    • Fail-Safe Output (FSN), Wake-up input

    • Voltage monitoring UV/OV on all regulated rails

    • Temp. monitoring and Thermal Shutdown

    • Commercial samples : available

    • In production

    Technical information

    Timing information

    Key Value• Designed for ISO26262 compliance • Flexible solution to 3 configurable voltage rails

    • Boost - Buck topology for low battery functionality for Start/Stop systems

    • BOM selection optimized on output current needs

    • Low emission design

    TQFP64EP

    Application Note

    Demo board w/ GUI

    Safety Manual

    FMEDA / DFA

    Automotive Multiple Power Supply IC

    SBC L9396

  • L9502B / L9502 Isolated Gate Driver for Traction Inverter

    5

    • 15A driver sink/source current capability

    • Miller clamp

    • Advanced Diagnostic and Protection

    • 10-bit A/D Converter with 2 exteranl inputs

    • BRAKE pin with programmable safe state

    • 5MHz SPI interface with enhanced safety

    • Output flyabck voltage 23V (-5V 18V; -8V 15V) on L9502

    Single channel isolated gate driver

    AEC-Q100 Grade 1

    ASIL D systems ready

    6kV galvanic isolation

    Flyback controller on L9502

    IGBT

    In development

    I s

    o l

    a t

    i o

    n

    Driver Controller

    (Flyback Contr.)

    Gate

    driver

  • 6

    VIPowerTM H-Bridges Solution for High Power

    VNHD7008AY / VNHD7012AY

    • Optimized Standby current

    • PWM operations up to 20kHz

    • Tailored and compact full bridges in combination with latest

    dual-ch