Datasheet > L9969S

L9969S

更新时间： 2023-12-20 18:44:04

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
69页	2161K
描述
Automotive chip for single and dual H-bridge

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中文翻译

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数据手册

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L9969S 数据手册

L9969x

Pin definitions and functions

Pin # Pin name

Description

I/O type Class

Not connected.

AGND

TEST

VDD

Ground connection for H-bridge (Device ground)

Factory test-mode activation

Local

Local-

Local

Global

5 V Supply for H-bridge. Input for VDD monitoring.

Supply voltage of H-bridge power stage

Disable input of H-bridge.

DIS

DIR

Local

High-level disables the power stage (OUT1 and OUT2)

Direction input of H-bridge

PWM input of H-bridge

PWM

OUT2

Controls the frequency and the duty cycle of the power stage (OUT1 and OUT2).

Output 2 of H-bridge

Global

Exp. PAD Exposed pad is connected to AGND

Note:

Legenda: I = Input, O = Output, P = Power Supply, G = Ground, I/O = Input/Output

Table 3. L9969T pin-out

Pin # Pin name

Description

I/O type Class

PGND1

OUT11

SCK

Power Ground of H-bridge1

Output 1 of H-bridge1

Global

Local

SPI-Clock input

NSS1

SPI-Slave Select input of H-bridge1

SPI-Slave In (data receive) input

SPI-Slave Out (data transceive) output

Current feedback for H-bridge1.

CF1

Local

Signal is proportional to the positive current in active LS-transistor of H-bridge1.

Bidirectional Enable/Disable in-/output.

NABE1

Open-drain output, switched to low at VDDx over and undervoltage condition.

Low level disables the power stage. (OUT11 and OUT12)

I/O

Local

GNDNABE2 Reference Ground for VDD2-monitoring of H-bridge 2

Local

AGND2

Ground connection for H-bridge2 (Device ground)

Not connected.

VDD2

VS2

5 V Supply for H-bridge (2). Input for VDD (2) monitoring.

Supply voltage for H-bridge2 power stage

Disable input for H-bridge2.

Local

Global

Local

VS2

DIS2

DS14029 - Rev 4

page 7/69

1...4 5 678 9 10...69

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