Datasheet > L99DZ81EPTR

L99DZ81EPTR

更新时间： 2025-09-18 17:33:15

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		驱动驱动器
页数	文件大小	规格书
4页	67K
描述
车门致动器驱动器

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L99DZ81EPTR 数据手册

L99DZ81EP

Door actuator driver

Data brief

Features

■ One full bridge for 6 A load (R_ON= 150 mΩ)

■ One half bridge for 3 A load (R_ON= 300 mΩ)

■ One configurable highside driver for up to 1.5 A

(R_ON= 500 mΩ) or 0.4 A (R_ON= 1600 mΩ)

load

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TQFP-64

■ One configurable high-side driver for 0.8 A

(R_ON= 800 mΩ) or 0.4 A (R_ON= 1600 mΩ)

load

Applications

■ Two high-side drivers for 0.5 A load

(R_ON= 1600 mΩ)

■ Door Actuator Driver with 3 bridges for Double

Door Lock Control, 4 high-side drivers for bulb

and LED control.

■ Programmable softstart function to drive loads

with higher inrush currents as current limitation

value

■ Motor bridge driver to control four external

power transistors in H-Bridge configuration

■ Very low V_Scurrent consumption in standby

mode (I_S< 6 µA typ. T_j≤ 85°C)

Description

■ Current monitor output for all high-side drivers

■ Central two-stage charge pump

The L99DZ81EP is a microcontroller driven

multifunctional door actuator driver for automotive

applications. Up to two DC motors and four

grounded resistive loads can be driven with three

half bridges and four high-side drivers.

■ Motor bridge driver with full R_dsondown to 6 V

■ Device contains temperature warning and

protection

■ Open-load detection for all outputs

Four external MOS transistors in bridge

configuration can be driven. The integrated SPI

controls all operating modes (forward, reverse,

brake and high impedance). Also all diagnostic

information is available via SPI read.

■ Overcurrent protection for all outputs

■ Separated half bridges for door lock motor

■ Programmable PWM control of all outputs

■ STM standard serial peripheral interface (ST-

SPI 3.0)

■ Prepared for additional fail-safe path for

H-Bridge

Table 1.

Device summary

Package

Order codes

Tape and reel

Tray

TQFP-64

L99DZ81EP

L99DZ81EPTR

November 2011

Doc ID 022498 Rev 1

1/4

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4

中文翻译

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L99DZ81EPTR 替代型号

型号	品牌	替代类型	描述	数据表
L99DZ81EP	STMICROELECTRONICS	完全替代	Door actuator driver

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