L8202 Datasheet

IC型號：
L8202
PDF描述：
MULTIFUNCTION ANALOG ASIC
文件大小：
240.04KB
PDF頁數(shù)：
15頁
芯片廠家：
STMICROELECTRONICS

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L8202

MULTIFUNCTION ANALOG ASIC

鈻?/div>

FEATURES

Flexible Motor Driver configuration

鈥?4 DC Motor drivers (1.5A Peak Current) or

鈥?2 DC Motor drivers & 1 Dual Full Bridge Step-

per Motor driver

Figure 1. Package

TQFP64

鈻?/div>

2 Switching Voltage regulators

6 Open Drain Drivers

Serial Input Port

4 Operational amplifiers

Low voltage Supervisor

Thermal Protection

Table 1. Order Codes

Part Number

L8202

Package

TQFP64 (Exposed Pad Down)

DESCRIPTION

The regulated Voltages are: VCC that can be ei-

ther 3.3V or +5V and VDD, programmable by a re-

sistor divider network from +3V to +17V

It is possible to increase the Output Current capa-

bility of the VDD regulator by adding an external

discrete Power DMOS.

An internal regulator is present in the IC in order to

supply several internal blocks. The 5V output volt-

age is filtered on pin V5 (Typical filter capacitor =

100nF) .

L8202 is a multifunction analog ASIC designed for

MFP Inkjet printer applications.

L8202 integrates 4 full H Bridge drivers, 2 switch-

ing Buck type voltage regulators, 4 operational

amplifiers, 6 open drain drivers, Reset Generation

circuitry and over temperature protection circuitry.

Figure 2. Block Diagram

PWM gen.

L8202

DC motor

DC MTR #1 H

Drive

OP.

Amps

LM358

DC MTR #2 H

Drive

DC motor

Phase A H

Drive

VPH regulator

1 Stepper motor or

2 DC

motor

Phase B H

Drive

Vcc regulator

3.3V or 5V

SERIAL

INTERFACE

LED

Drivers

Sleep mode

Vcc switch

Reset gen.

February 2005

Rev. 2

1/15

型號

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L8202

英文版

MULTIFUNCTION ANALOG ASIC

L8202
L8202

英文版

MULTIFUNCTION ANALOG ASIC

STMICROELECTRON...

L8202

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