Datasheet > CS3720

CS3720

更新时间： 2022-12-01 12:10:17

品牌	Logo	应用领域
樱桃 - CHERRY		驱动器
页数	文件大小	规格书
4页	163K
描述
2A H-Bridge Driver

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数据手册

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CS3720 数据手册

Electrical Characteristics: 5.5V ² V_CC² 17V; Ð40¡C ² T_J² +150¡C; Ð40¡C ² T_C² +105¡C; Ð40¡C ² T_A² 105¡C; unless otherwise specified.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

■

Output Stage

Quiescent Current

I_OUT=0mA;

ENABLE1=DIRECTION= High

ENABLE2=Low

Output Saturation Voltage

I_OUT=2A

3.2

2.6

_OUT=500mA

Output Leakage Current

Current Limit

I_OUT=0mA

µA

3.0

■ Logic Control Functions

High Level Input Voltage

Low Level Input Voltage

High Level Input Current

Low Level Input Current

2.0

0.8

µA

µs

-250

Turn on Delay

Guaranteed by design

R_LOAD=30½; Coil=5mH;

C_LOAD=15pF

Turn off Delay

Guaranteed by design

R_LOAD=30½; Coil=5mH;

C_LOAD=15pF

µs

■

Fault Protection Functions

Overvoltage Shutdown

I_OUT= 500mA

18.0

21.5

Package Lead Description

PACKAGE LEAD#

LEAD SYMBOL

FUNCTION

15 Lead

Power SIP TO-220

7 Lead

D²PAK

ENABLE1

Enables output when held low and ENABLE 2 = High

DIRECTION Determines the direction of current flow through COIL+ and

COIL- as long as ENABLE1 = Low and ENABLE2 = High

COIL+

Gnd

Positive Output of H bridge to coil

Ground connection

V_SS

Supply voltage for IC

COIL-

ENABLE2

Negative Output of H bridge to coil

Enables output when held high and ENABLE 1 = Low

Application Hints

ENABLE1 ENABLE2 DIRECTION COIL+

Motor Direction Control

COIL-

Low

High

OFF

Low

High

Low

High

Low

OFF

Current flow through the two outputs COIL+ and COIL-

is controlled by the combined settings of ENABLE1,

ENABLE2 and DIRECTION (Table 1). The outputs will be

active only when ENABLE1 is low and ENABLE2 is high.

When DIRECTION is high, current flows out of COIL+

and into COIL-. When DIRECTION is low, current flows

out of COIL- and into COIL+. For any other combination

of ENABLE settings, the outputs are off.

Low

OFF

Table 1. Logical Control Diagram

123 4

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