Datasheet > 33982C

33982C

更新时间： 2024-02-18 10:11:53

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		开关
页数	文件大小	规格书
36页	661K
描述
Single Intelligent High-current Self-protected Silicon High Side Switch (2.0 mΩ)

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33982C 数据手册

PIN CONNECTIONS

12 11 10

GND

TRANSPARENT

TOP VIEW

VPWR

Figure 3. 33982 Pin Connections

Table 2. Pin Definitions

Functional descriptions of many of these pins can be found in the Functional Pin Description section beginning on page 16.

Number

Function

Pin Name

Formal Name

Definition

This pin is used to output a current proportional to the high side output

current and used externally to generate a ground-referenced voltage for

the microcontroller to monitor output current.

CSNS

Output

Output Current

Monitoring

This pin is used to input a Logic [1] signal in order to enable the watchdog

timer function.

WAKE

RST

Input

Wake

This input pin is used to initialize the device configuration and fault

registers, as well as place the device in a low current sleep mode.

Reset (Active Low)

Direct Input

The Input pin is used to directly control the output.

Input

This is an open drain configured output requiring an external pull-up

resistor to VDD for fault reporting.

Output

Fault Status

(Active Low)

The value of the resistance connected between this pin and ground

determines the state of the output after a watchdog timeout occurs.

FSI

Input

Fail-Safe Input

This input pin is connected to a chip select output of a master

microcontroller (MCU).

Chip Select

(Active Low)

This input pin is connected to the MCU providing the required bit shift

clock for SPI communication.

SCLK

Serial Clock

This is a command data input pin connected to the SPI Serial Data

Output of the MCU or to the SO pin of the previous device in a daisy chain

of devices.

Serial Input

This is an external voltage input pin used to supply power to the SPI

circuit.

VDD

Input

Digital Drain Voltage

(Power)

33982

Analog Integrated Circuit Device Data

Freescale Semiconductor

1 2 345 6 7...36

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33984B_09	FREESCALE	获取价格	Dual Intelligent High-current Self-protected
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