Datasheet > L9375

L9375

更新时间： 2024-02-18 07:05:43

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		光电二极管
页数	文件大小	规格书
10页	168K
描述
PWM BASED PRPHL DRVR, PDSO36, LEAD FREE, SOP-36

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L9375 技术参数

生命周期：	Obsolete	零件包装代码：	SSOP
包装说明：	LEAD FREE, SSOP-36	针数：	36
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.76
内置保护：	TRANSIENT; THERMAL; UNDER VOLTAGE	驱动器位数：	8
接口集成电路类型：	PWM BASED PERIPHERAL DRIVER	JESD-30 代码：	R-PDSO-G36
长度：	10.3 mm	功能数量：	1
端子数量：	36	最大输出电流：	2 A
封装主体材料：	PLASTIC/EPOXY	封装代码：	HSSOP
封装等效代码：	SSOP36,.56	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH	电源：	38 V
认证状态：	Not Qualified	座面最大高度：	2.47 mm
子类别：	Peripheral Drivers	标称供电电压：	38 V
表面贴装：	YES	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	DUAL
宽度：	7.5 mm	Base Number Matches：	1

L9375 数据手册

L9375

Eight channel valve driver

Data Brief

Features

■ Octal low-side output drivers with protection

diagnostic

– 4 x 3A, 160m Ohm typ.

– 4 x 3A, 200m Ohm typ.

PowerSO-36

PowerSSO-36

■ Programmable channel timer

■ Clock monitor

■ 4 channels with Integrated recirculation diodes

program two output Duty Cycles per channel with

a block of 16 SPI commands as well as an

individual duration time for each channel

actuation. Both information are stored in the PWM

and in the Counter Configuration Register

respectively.

The PWM Controller translates the programmed

digital duty cycle value in a PWM signal which

controls the output.

■ 4 channels with 40V clamp for fast free

wheeling of inductive loads.

■ Serial Peripheral Interface with 16bits, up to

5MHz with diagnosis

■ Battery compatible supply voltage

■ Detailed Load diagnosis

– Over load protection

– Open load

The channels 1 to 4 are configured as switching

channels. To achieve a fast switch off a high

voltage output clamp is implemented for a rapid

free-wheeling if the inductive load. The switch on

time can be programmed via SPI.

– Under current

– Under voltage

– Temperature warning and shutdown

– Power or signal GND loss

– Freewheeling diode loss

All channels are equipped with a load diagnostic.

This allows to detect an open load in off condition

as well as a under current in on condition. The

power stage is protected against over current and

over temperature. A weak connection in power

ground, in the recirculation path or in the external

clock is monitored and leads to a switch off of the

power stages in case an error occurs. All

monitored functions can be read out in a serial

diagnostic protocol dedicated for each channel

via SPI.

Description

The L9375 s a eight channel low side driver with

integrated recirculation diodes for PWM controlled

channels 5 to 8. The switching of the channels is

programmable via a SPI (Serial Peripheral

Interface). The main time base is given by an

external clock via CLKin. The Clock Unit monitors

this external clock and provides the system clock

for all timings. A Synchronization Unit is used to

monitor the SPI communication and provide a

sync signal for the channel activation.

Table 1.

Device summary

Package

Part number

Packing

The output Duty Cycle for each PWM controlled

channel can be programmed individually and will

be activated by the Set Point Unit. Is possible to

L9375

PowerSO-36 (slug down)

PowerSSO-36 (exp. pad)

Tube

L9375XP

June 2007

Rev 1

1/10

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4 5 6 7...10

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