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L8202

February 2005

1

FEATURES

– 4 DC Motor drivers (1.5A Peak Current) or

– 2 DC Motor drivers & 1 Dual Full Bridge Step-

per Motor driver

2

DESCRIPTION

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.

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) .

MULTIFUNCTION ANALOG ASIC

Figure 2. Block Diagram

PWM gen.

1 Stepper motor or

DC motor

2 DC

motor

Drive

DC MTR #2 H

Drive

DC MTR #1 H

Phase A H

Drive

Phase B H

Drive

VPH regulator

Vcc regulator

3.3V or 5V

SERIAL

INTERFACE

Reset gen.

OP.

Amps

LED

Drivers

Vcc switch

Sleep mode

LM358

like

L8202

DC motor

PWM gen.

1 Stepper motor or

DC motor

2 DC

motor

Drive

DC MTR #2 H

Drive

DC MTR #1 H

Phase A H

Drive

Phase B H

Drive

VPH regulator

Vcc regulator

3.3V or 5V

SERIAL

INTERFACE

Reset gen.

OP.

Amps

PWM gen.

1 Stepper motor or

DC motor

2 DC

motor

Drive

DC MTR #2 H

Drive

DC MTR #1 H

Phase A H

Drive

Phase B H

Drive

VPH regulator

Vcc regulator

3.3V or 5V

SERIAL

INTERFACE

Reset gen.

OP.

Amps

LED

Drivers

Vcc switch

Sleep mode

LM358

like

L8202

DC motor

Rev. 2

Figure 1. Package

Table 1. Order Codes

Part Number

Package

L8202

TQFP64 (Exposed Pad Down)

TQFP64