L9907 datasheet(1/49 Pages) STMICROELECTRONICS

部件名	L9907

功能描述	Automotive FET driver for 3 phase BLDC motor

PDF	49 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 49 page

This is information on a product in full production.

April 2021

DS11800 Rev 5

1/49

L9907

Automotive FET driver for 3 phase BLDC motor

Datasheet

- production data

Features

 AEC-Q100 qualified

 Supply voltage from 4.2 V to 54 V

 The device can withstand -7 V to 90 V at the

FET high-side Driver pins

 Low standby current consumption

 Compatible with 3.3 V and 5 V Logic Level

 All logic pins withstand 35 V

 Boost regulator for full Rdson down to 6 V

battery voltage

 3 low-side + 3 high-side independent gate

drivers

 PWM operation up to 20 kHz

 Adjustable gate driver controlled current up to

600 mA

 2 programmable differential current sense

amplifiers

 8 MHz, 16-bit SPI interface

 Programmable parameters:

– Cross conduction dead time

– External MOSFET gate current level

– Current sense amplifier mode, offset and

gain

– Input over voltage threshold

– Short circuit detection

Protection and diagnostic

 Gate to source output voltage limit

 Gate to source passive switch off

 FET driver supply UV diagnostic

 OV, UV diagnostic and protection on VB and

VCC

 External MOSFET overcurrent protection

 Over-temperature diagnostic and shutdown

Applications

 Electric power steering

 Electric brake booster

 Generic brushless DC motor driving

Description

L9907 is a gate driver unit controlling 6 N-channel

FETs for brushless DC motors in automotive

applications.

Each pre-driver channel can be controlled

independently allowing the implementation of all

kinds of electric motor control strategy.

The base gate output current is set via an

external resistor, while via SPI it is possible to

select among 4 gate output current levels even

when the application is running.

L9907 is equipped with 2 current sense amplifiers

with configurable mode, gain and offset to

guarantee maximum flexibility for phase or

ground current sense strategy.

Full diagnostic is available through SPI.

GAPGPS00129

TQFP64 (exposed pad down)

Table 1. Device summary

Order code

Package

Packing

L9907

TQFP64

(10x10x1.0 mm)

Tray

L9907TR

Tape & reel

www.st.com

类似零件编号 - L9907

制造商	部件名	数据表	功能描述
STMicroelectronics	L9907	83Kb / 8P	MOTOR BRIDGE FOR HEADLIGHT ADJUSTMENT Dec-1996
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STMicroelectronics	L9907N	83Kb / 8P	MOTOR BRIDGE FOR HEADLIGHT ADJUSTMENT Dec-1996
STMicroelectronics	L9907ND	83Kb / 8P	MOTOR BRIDGE FOR HEADLIGHT ADJUSTMENT Dec-1996

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