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Discrete Divice
LVMOS
Planar LVMOS Normal Trench LVMOS Split Gate Trench LVMOS Automotive MOSFET
HVMOS
Planar HVMOS Multi-Epi DPMOS Trench DPMOS
IGBT
Planar IGBT Trench IGBT SiC Hybrid IGBT RC IGBT
SiC
SiC MOS
Diode
FRD
IPM
DIP2V/SOP2V
DIP-23/SOP-23
DIP-24
DIP-25
DIP-Q25A
SDIP-26
DIP-27
DIP-29
SOP-30
SOP-37
DIP-T46A
IGBT Module
Automobile module
Industrial Module
AC-DC Converter
SSR Flyback Controller IC
PSR Flyback Controller IC
Synchronous Rectifier IC
Non-isolated BUCK/BUCK-BOOST IC
PFC IC
Fast Charging IC
Power Bank Fast Charger IC
Car Charger IC
AC-DC Fast Charging Protocol IC
DC-DC Converter
DC-DC Converter IC
PoE IC
LED Lighting Driver
Dimming LED Lighting Driver
Non-dimming LED Lighting Driver
Automotive LED Driver
Gate Driver IC
Three-phase Half Bridge Driver
Single Half-bridge Driver
PFC IGBT Gate Driver
MEMS Sensor
Triaxial Acceleration Sensor
Six- Axis Inertial Sensor
Proximity Detection and Digital Ambient Light Sensor
Heart Rate Sensor
Silicon Microphone Sensor
MCU IC
8bit MCU
32bit MCU
Integrated Driver MCU
Digital Audio/Video
CD SERVO
Audio Decode
Audio Effects Processing
Intelligent Audio
ASIC
Bipolar PWM Controller
Bipolar DC-DC
LDO
Volume and Sound Control Circuit
DC Drive Circuit
Darlington Circuit
Logic & Switch & Level Shift
Operational Amplifier Circuit
Comparator
Reference IC
Linear Regulator
Audio Circuit
Interface ICs
LED Chip
GaN
GaN-Automotive lighting GaN-Display screen GaN-General lighting GaN-Landscape lighting
GaAs
GaAs-Agriculture & horticulture lighting GaAs-Automotive lighting GaAs-Display screen GaAs-Infrared GaAs-Landscape lighting
Smart Power Switches
Low-side Smart Power Switches
High-side Smart Power Switches
Low-Voltage Motor Driver
Automotive Low-Voltage Motor Driver
Consumer & Industrial Low-Voltage Motor Driver
Discrete Divice
LVMOS
Planar LVMOS Normal Trench LVMOS Split Gate Trench LVMOS Automotive MOSFET
HVMOS
Planar HVMOS Multi-Epi DPMOS Trench DPMOS
IGBT
Planar IGBT Trench IGBT SiC Hybrid IGBT RC IGBT
SiC
SiC MOS
Diode
FRD
IPM
DIP2V/SOP2V
DIP-23/SOP-23
DIP-24
DIP-25
DIP-Q25A
SDIP-26
DIP-27
DIP-29
SOP-30
SOP-37
DIP-T46A
IGBT Module
Automobile module
Industrial Module
AC-DC Converter
SSR Flyback Controller IC
PSR Flyback Controller IC
Synchronous Rectifier IC
Non-isolated BUCK/BUCK-BOOST IC
PFC IC
Fast Charging IC
Power Bank Fast Charger IC
Car Charger IC
AC-DC Fast Charging Protocol IC
DC-DC Converter
DC-DC Converter IC
PoE IC
LED Lighting Driver
Dimming LED Lighting Driver
Non-dimming LED Lighting Driver
Automotive LED Driver
Gate Driver IC
Three-phase Half Bridge Driver
Single Half-bridge Driver
PFC IGBT Gate Driver
MEMS Sensor
Triaxial Acceleration Sensor
Six- Axis Inertial Sensor
Proximity Detection and Digital Ambient Light Sensor
Heart Rate Sensor
Silicon Microphone Sensor
MCU IC
8bit MCU
32bit MCU
Integrated Driver MCU
Digital Audio/Video
CD SERVO
Audio Decode
Audio Effects Processing
Intelligent Audio
ASIC
Bipolar PWM Controller
Bipolar DC-DC
LDO
Volume and Sound Control Circuit
DC Drive Circuit
Darlington Circuit
Logic & Switch & Level Shift
Operational Amplifier Circuit
Comparator
Reference IC
Linear Regulator
Audio Circuit
Interface ICs
LED Chip
GaN
GaN-Automotive lighting GaN-Display screen GaN-General lighting GaN-Landscape lighting
GaAs
GaAs-Agriculture & horticulture lighting GaAs-Automotive lighting GaAs-Display screen GaAs-Infrared GaAs-Landscape lighting
Smart Power Switches
Low-side Smart Power Switches
High-side Smart Power Switches
Low-Voltage Motor Driver
Automotive Low-Voltage Motor Driver
Consumer & Industrial Low-Voltage Motor Driver
SZ9310
AUTOMOTIVE THREE-PHASE MOSFET DRIVER
Description Main feature Product specification classification

      The SZ9310 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a three-phase bridge arrangement and is specifically designed for automotive applications with high-power inductive loads, such as BLDC motors.

      The SZ9310 is suitable for automotive systems requiring high functional safety, such as systems that need to meet ASIL D level requirements.

      A unique charge pump regulator provides the supply for the MOSFET gate drive for battery voltages down to 7 V and allows the SZ9310 to operate with a reduced gate drive down to 5.5 V. Gate drive voltage and strength are programmable to help reduce EMC issues. A bootstrap capacitor is used to provide the above-battery supply voltage required for N-channel MOSFETs. 

      Full control over all six power MOSFETs in the three-phase bridge is provided, allowing motors to be driven with block commutation or sinusoidal excitation. The power MOSFETs are protected from shoot-through by integrated crossover control and optional programmable dead time.

      Integrated diagnostics provide indication of multiple internal faults, system faults, and power bridge faults, and can be configured to protect the power MOSFETs under most short-circuit conditions. For safety-critical systems, the integrated diagnostic operation can be verified under control of the serial interface. The serial interface is provided to alter programmable settings and read back detailed diagnostic information.


Main feature

  • Automotive AEC-Q100 Grade 0 Qualified

  • Developed in accordance with ISO26262 ASIL D

  • Three-phase bridge MOSFET driver

  • Bootstrap gate drive for N-channel MOSFET bridge

  • Cross-conduction protection with adjustable dead time

  • 5.5 to 50 V supply voltage operating range

  • Charge pump for low supply voltage operation

  • Programmable gate drive voltage and strength

  • Integrated logic supply

  • Three current sense amplifiers and programmable gain and offset with offset output

  • Logic level phase state outputs

  • SPI-compatible serial interface

  • Bridge control by direct logic inputs or serial interface

  • TTL compatible logic inputs

  • Extensive programmable diagnostics and Diagnostic verification

  • Safety-assist features

  • Package: ELQFP-48-7×7-0.5


Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SZ9310 ELQFP-48-7×7-0.5 SZ9310 Halogen free Tray