L9733CN

更新时间： 2024-11-25 13:09:15

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		驱动器
页数	文件大小	规格书
33页	560K
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L9733CN 数据手册

L9733

Octal self configuring Low/High side driver

Preliminary Data

Features

■ Eight independently self configuring low/high

drivers

■ Supply voltage from 4.5V to 5.5V

■ R_ON(max)=0.7Ω @ T = 25°C,

SO-28

PowerSSO-28

_ON(max)=1.2Ω @T = 125°C

■ Minimum current limit of each output 1A

■ Output voltage clamping min. 40V in low side

Outputs 1-8 are self-configuring as high or low

side drives. Self-configuration allows a user to

connect a high or low side load to any of these

outputs and the L9733 will drive them correctly as

well as provide proper fault mode operation with

no other needed inputs. In additon, Outputs 6, 7 and

8 can be PWM controlled via a external pins (IN6-8).

configuration

■ Output voltage clamping max. -14V in high side

configuration

■ SPI interface for outputs control and for

diagnosis data communication

■ Additional PWM inputs for 3 outputs

This device is capable of switching variable load

currents over the ambient range of -40°C to

+125°C. The outputs are MOSFET drivers to

minimize Vdd current requirements. For low side

configured outputs an internal zener clamp from

the drain to gate with a breakdown of 50V

minimum will provide fast turn off of inductive

loads. When a high side configured output is

commanded OFF after having been commanded

ON, the source voltage will go to (VGND - 15V).

■ Independent thermal shutdown for all outputs

Open load, Short to GND, short to Vb,

Overcurrent diagnostics in latched or unlatched

mode for each channel

■ Internal charge pump without need of external

capacitor

■ Controlled SR for reduced EMC

Description

An 16 bit SPI input is used to command the 8

output drivers either "On" or "Off", reducing the

I/O port requirement of the microcontroller.

Multiple L9733 can be daisy-chained. In addition

the SPI output indicates latched fault conditions

that may have occurred.

The L9733 IC is a highly flexible monolithic,

medium current, output driver that incorporates 8

outputs that can be used as either internal low or

high side drives in any combination.

Order codes

Part number

Package

SO-28

PowerSSO-28 (Exposed pad)

Packing

L9733

Tube

L9733XP

August 2006

Rev 3

1/33

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to

change without notice.

www.st.com

12 3 4 5 6 7...33

中文翻译

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与L9733CN相关器件

型号	品牌	获取价格	描述	数据表
L9733CNTR	STMICROELECTRONICS	获取价格	Octal configurable low/high side driver
L9733TR	STMICROELECTRONICS	获取价格	BUF OR INV BASED PRPHL DRVR, PDSO28, ROHS COMPLIANT, SOP-28
L9733XP	STMICROELECTRONICS	获取价格	Octal self configuring Low/High side driver
L9733XPTR	STMICROELECTRONICS	获取价格	暂无描述
L9758	STMICROELECTRONICS	获取价格	Multiple supply for engine control
L9758TR	STMICROELECTRONICS	获取价格	多电源，用于发动机控制
L9777	STMICROELECTRONICS	获取价格	High precision output voltage
L9777-02	HAMAMATSU	获取价格	Laser Diode, 808nm, HHL PACKAGE-10
L9777-02_15	HAMAMATSU	获取价格	CW laser diodes
L9777A	STMICROELECTRONICS	获取价格	Low power voltage regulator

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