SLVSHD9 March   2025 DRV8001-Q1

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings Auto
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information RHA Package
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 External Components
    4. 7.4 Feature Description
      1. 7.4.1 Heater MOSFET Driver
        1. 7.4.1.1 Heater MOSFET Driver Control
        2. 7.4.1.2 Heater MOSFET Driver Protection
          1. 7.4.1.2.1 Heater SH_HS Internal Diode
          2. 7.4.1.2.2 Heater MOSFET VDS Overcurrent Protection (HEAT_VDS)
          3. 7.4.1.2.3 Heater MOSFET Open Load Detection
      2. 7.4.2 High-Side Drivers
        1. 7.4.2.1 High-side Driver Control
          1. 7.4.2.1.1 High-side Drivers - Parallel Outputs
          2. 7.4.2.1.2 High-side Driver PWM Generator
            1. 7.4.2.1.2.1 Constant Current Mode
            2. 7.4.2.1.2.2 OUT7 HS ITRIP Behavior
            3. 7.4.2.1.2.3 High-side Drivers - Parallel Outputs
          3. 7.4.2.1.3 High-side Driver Protection Circuits
            1. 7.4.2.1.3.1 High-side Drivers Internal Diode
            2. 7.4.2.1.3.2 High-side Driver Overcurrent Protection
            3. 7.4.2.1.3.3 High-side Driver Open Load Detection
      3. 7.4.3 Electrochromic Glass Driver
        1. 7.4.3.1 Electrochromic Driver Control
        2. 7.4.3.2 Electrochromic Driver Protection
      4. 7.4.4 Half-bridge Drivers
        1. 7.4.4.1 Half-bridge Control
        2. 7.4.4.2 Half-Bridge ITRIP Regulation
        3. 7.4.4.3 Half-bridge Protection and Diagnostics
          1. 7.4.4.3.1 Half-Bridge Off-State Diagnostics (OLP)
          2. 7.4.4.3.2 Half-Bridge Active Open Load Detection (OLA)
          3. 7.4.4.3.3 Half-Bridge Overcurrent Protection
      5. 7.4.5 Sense Output (IPROPI)
      6. 7.4.6 Protection Circuits
        1. 7.4.6.1 Fault Reset (CLR_FLT)
        2. 7.4.6.2 DVDD Logic Supply Power on Reset (DVDD_POR)
        3. 7.4.6.3 PVDD Supply Undervoltage Monitor (PVDD_UV)
        4. 7.4.6.4 VCP Charge Pump Undervoltage Lockout (VCP_UV)
        5. 7.4.6.5 Thermal Clusters
        6. 7.4.6.6 Watchdog Timer
        7. 7.4.6.7 Fault Detection and Response Summary Table
    5. 7.5 Programming
      1. 7.5.1 Serial Peripheral Interface (SPI)
      2. 7.5.2 SPI Format
      3. 7.5.3 Timing Diagrams
  9. 8  DRV8001-Q1 Register Map
    1. 8.1 DRV8000-Q1_STATUS Registers
    2. 8.2 DRV8000-Q1_CNFG Registers
    3. 8.3 DRV8000-Q1_CTRL Registers
    4. 8.4 DRV8001-Q1_STATUS Registers
    5. 8.5 DRV8001-Q1_CNFG Registers
    6. 8.6 DRV8001-Q1_CTRL Registers
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
    3. 9.3 Initialization Setup
    4. 9.4 Power Supply Recommendations
      1. 9.4.1 Bulk Capacitance Sizing
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Package Option Addendum
    2. 12.2 Tape and Reel Information

Refer to the PDF data sheet for device specific package drawings

7.4.6.7 Fault Detection and Response Summary Table

Table 7-39 Fault Detection and Response Summary
NAMECONDITIONSPI BITMODEDIGITAL CORECHARGE PUMP DRIVERSCURRENT SENSERESPONSE
SPI Clock FaultInvalid SPI Clock FrameSCLK_FLTLatchedActiveActiveActiveActiveSPI_ERR, SPI, Reject Frame
DVDD Power-on-ResetDVDD < VDVDD_PORPORn/aResetDisabledSemi-Active
Pulldown		DisabledSPI
PVDD UndervoltagePVDD < VPVDD_UVPVDD_UVLatchedActiveDisabledSemi-Active
Pulldown		DisabledSPI
AutomaticActiveDisabledSemi-Active
Pulldown		DisabledSPI
PVDD OvervoltagePVDD > VPVDD_OVPVDD_OVLatchedActiveActivePulldownActiveSPI
PVDD_OVAutomaticActiveActivePulldownActiveSPI
PVDD_OVWarningActiveActiveActiveActiveWARN, SPI
n/aDisabledActiveActiveActiveActiven/a
VCP UndervoltageVCP < VVCP_UVVCP_UVLatchedActiveDisabledSemi-Active
Pulldown		DisabledSPI
AutomaticActiveActiveSemi-Active
Pulldown		DisabledSPI
Half-bridge Overcurrent Fault (OUT1-OUT6) IOUTx > IOCPx HB, OUTx_HS_OCP, OUTx_LS_OCP Latched Active Active Affected driver Hi-Z Active SPI
Half-bridge active open load Fault (OUT1-OUT6) IOUTx < IOLP_OUTx HB, OUTx_OLA Latched Active Active Active Active WARN
Half-bridge passive open load Fault (OUT1-OUT6) IOUTx < IOLP_OUTx HB, HB_OLP_STAT Live Active Active n/a Active WARN
High-side Driver overcurrent Fault (OUT7-OUT12) IOUTx > IOCPx HS, OUTx_OCP Latched Active Active Affected driver Hi-Z Active SPI
High-side Driver OUT7 ITRIP IOUT7 > IOC7 ITRIP, OUT7_ITRIP_STAT Warning Active Active n/a Active WARN
tOUT7_ITRIP > tOUT7_ITRIP_TO HS, ITRIP, OUT7_ITRIP_TO, OUT7_ITRIP_STAT Latched Active Active OUT7 Hi-Z after timeout Active SPI
IOUT7 > IOC7 ITRIP, OUT7_ITRIP_STAT Warning Active Active OUT7 ITRIP regulation indefinite Active WARN
tOUT7_ITRIP > tOUT7_ITRIP_TO ITRIP, OUT7_ITRIP_TO, OUT7_ITRIP_STAT Warning Active Active OUT7 ITRIP regulation disabled; Active WARN
High-side Driver open load Fault (OUT7-OUT12) IOUTx < IOCPx HS, OUTx_OLP Warning Active Active Active Active WARN
ECFB Overvoltage VECFB>VECFB_OV EC_HEAT, ECFB_OV Disabled Active Active n/a Active n/a
VECFB>VECFB_OV EC_HEAT, ECFB_OV Latched Active Active n/a Active SPI
VECFB>VECFB_OV EC_HEAT, ECFB_OV Latched Active Active ECDRV pulled down, ECFB LS FET Hi-Z Active SPI
ECFB Undervoltage VECFB>VECFB_UV EC_HEAT, ECFB_UV Disabled Active Active n/a Active n/a
VECFB>VECFB_UV EC_HEAT, ECFB_UV Latched Active Active n/a Active SPI
VECFB>VECFB_UV EC_HEAT, ECFB_UV Latched Active Active ECDRV pulled down, ECFB LS FET Hi-Z Active SPI
ECFB Above Target Voltage VECFB>VEC_V_TAR EC_HEAT, ECFB_HI Live Active Active n/a Active WARN
ECFB Below Target Voltage VECFB<VEC_V_TAR EC_HEAT, ECFB_LO Live Active Active n/a Active WARN
ECFB Overcurrent (discharge) IECFB> IECFB_OC EC_HEAT, ECFB_OC Latched Active Active ECFB Hi-Z Active SPI
ECFB Open load (discharge) IECFB< IOL_ECFB_LS EC_HEAT, ECFB_OL Latched Active Active n/a Active WARN, SPI
ECFB Open load (active/charge, OUT11 independent mode, ECDRV_OL_EN enabled) VECFB> VECFB_OV EC_HEAT, ECFB_OL, ECFB_OV Latched Active Active n/a Active WARN, SPI
Heater VDS Overcurrent Fault VHEAT_VDS > VHEAT_VDS_LVL EC_HEAT, HEAT_VDS Latched Active Active Pulldown Active SPI
Cycle Active Active Pulldown Active SPI
Warning Active Active Active Active WARN, SPI
Disabled Active Active Active Active n/a
Heater VDS Open load Fault VSH_HS > VOL_HEAT EC_HEAT, HEAT_OL Latched Active Active Pulldown Active SPI
Zone X Thermal WarningTJ > TOTW_XOTW, ZONEx_OTW_XAutomaticActiveActiveActiveActiveWARN, SPI
Zone X Thermal ShutdownTJ > TOTSDOTSD, ZONEx_OTSDLatchedActiveDisabledSemi-Active
Pulldown, Hi-Z		DisabledSPI
WatchdogInvalid Access or ExpirationWD_FLTWarningActiveActiveActiveActiveWARN, SPI
Latched FaultActiveActivePulldownActiveSPI