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參數(shù)資料
| 型號： | L8202 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MULTIFUNCTION ANALOG ASIC |
| 中文描述： | 多功能模擬集成電路 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 237K |
| 代理商： | L8202 |
1/15
L8202
February 2005
1
FEATURES
■
Flexible Motor Driver configuration
– 4 DC Motor drivers (1.5A Peak Current) or
– 2 DC Motor drivers & 1 Dual Full Bridge Step-
per Motor driver
■
2 Switching Voltage regulators
■
6 Open Drain Drivers
■
Serial Input Port
■
4 Operational amplifiers
■
Low voltage Supervisor
■
Thermal Protection
2
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.
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) .
MULTIFUNCTION ANALOG ASIC
Figure 2. Block Diagram
PWM gen.
1 Stepper motor or
DC motor
motor
DDrive
DC MTR #2 H
Drive
DC MTR #1 H
PhDrive
PhDrive
VPH regulator
3.3V or 5V
INTERFACE
Reset gen.
Amps
DrLED
Drivers
Vcc switch
Sleep mode
like
L8202
DC motor
2 DC
Phase A H
Phase B H
Vcc regulator
SERIAL
OP.
LM358
Rev. 2
Figure 1. Package
Table 1. Order Codes
Part Number
L8202
Package
TQFP64 (Exposed Pad Down)
TQFP64
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