L9903 datasheet(1/17 Pages) STMICROELECTRONICS

部品番号	L9903

部品情報	MOTOR BRIDGE CONTROLLER

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L9903

October 2005

1

FEATURES

■ OPERATING SUPPLY VOLTAGE 8V TO 20V,

OVERVOLTAGE MAX. 40V

■ OPERATING SUPPLY VOLTAGE 6V WITH

IMPLEMENTED STEPUP CONVERTER

■ QUIESCENT CURRENT IN STANDBY MODE

LESS THAN 50µA

■ ISO 9141 COMPATIBLE INTERFACE

■ CHARGE PUMP FOR DRIVING A POWER

MOS AS REVERSE BATTERY PROTECTION

■ PWM OPERATION FREQUENCY UP TO

30KHZ

■ PROGRAMMABLE CROSS CONDUCTION

PROTECTION TIME

■ OVERVOLTAGE, UNDERVOLTAGE, SHORT

CIRCUIT AND THERMAL PROTECTION

■ REAL TIME DIAGNOSTIC

2

DESCRIPTION

Control circuit for power MOS bridge driver in auto-

motive applications with ISO 9141bus interface.

MOTOR BRIDGE CONTROLLER

Figure 2. Block Diagram

VS

DIR

PWM

EN

RX

TX

CP

CB1

GH1

S1

GL1

CB2

GH2

S2

GL2

K

=

PR

VCC

=

ISO-Interface

VCC

GND

ST

Reference

BIAS

Charge

pump

Overvoltage

Undervoltage

PWM

R

DIR

R

RX

R

TX

R

0.5

• VVS

RS2

RGL2

RGL1

RS1

RCP

REN

VCC

Timer

I KH

V S2TH

Thermal shutdown

V S1TH

DG

VCC

RDG

VSTH

fST

=

-

+

10

1

2

4

5

3

6

7

8

20

9

16

15

17

18

19

14

12

13

11

REV. 4

Figure 1. Package

Table 1. Order Codes

Part Number

Package

L9903

SO20

L9903TR

Tape & Reel

SO20

同様の部品番号 - L9903

メーカー	部品番号	データシート	部品情報
STMicroelectronics	L9903	230Kb / 17P	MOTOR BRIDGE CONTROLLER 23-Sep-2013
	L9903TR	230Kb / 17P	MOTOR BRIDGE CONTROLLER 23-Sep-2013
	L9903	230Kb / 17P	MOTOR BRIDGE CONTROLLER 23-Sep-2013

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同様の説明 - L9903

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