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参数资料
| 型号： | L9474 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, SFM8 |
| 封装： | MULTIWATT-8 |
| 文件页数： | 1/9页 |
| 文件大小： | 516K |
| 代理商： | L9474 |
1/8
L9474
March 2005
1
Features
■ High side field driver
■ Thermal protection
■ Field driver short circuit protection
■ RVC interface
■ Overvoltage protection
■ Complex diagnostics
■ Load Response Control
2
Description
The L9474 is a monolithic multifunction generator
Voltage regulator intended for use in automotive ap-
plications.
This device regulates the output of an automotive
generator by controlling the field winding current by
means of a variable frequency PWM high side driver.
The setpoint voltage reference is selected by the EN-
GINE CONTROL UNIT via RVC protocol.
ALL SILICON VOLTAGE REGULATOR
Figure 2. Schematic Diagram
FIELD
(ROTOR)
STARTER
BATTERY
STATOR
ASVR
LOADS
RECTIFIER
BRIDGE
FM
F+
VGO
P
FILTER
C
82nF
G
TO ECM
L
TO ECM
TO BCM
D02AT508
Figure 1. Package
Table 1. Order Codes
Part Number
Package
L9474
Multiwatt8
Multiwatt8
Rev. 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L9474N | 功能描述:线性稳压器 - 标准 Alternator Voltage Reg w/RVC interface RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| L9480VB | 功能描述:电流和电力监控器、调节器 Multifunction Gen RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| L9484 | 功能描述:线性稳压器 - 标准 Alternator Voltage Regulator RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| L9500A | 制造商:AGERE 制造商全称:AGERE 功能描述:High-Voltage Ringing SLIC for VolP Applications |
| L9503 | 制造商:Leviton Manufacturing Co 功能描述: |
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