mc33092 Unisonic Technologies, mc33092 Datasheet

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mc33092

Manufacturer Part Number
mc33092
Description
Alternator Voltage Regulator
Manufacturer
Unisonic Technologies
Datasheet

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Part Number:
mc33092A
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华奥DHA
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mc33092DW
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Quantity:
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*Forced Load Response Control (LRC) with Heavy
*< 0.1 V Variation over Speed Range of 2000 to
*Maintains Regulation with External Loads as Low as
*Load Dump Protection of Lamp, Field Control
*Optional 2.5 or 10 sec. LRC Rate Control (Osc. Freq.
*Undervoltage, Overvoltage and Phase Fault (Broken
UTC MC33092 LINEAR INTEGRATED CIRCUIT
ALTERNATOR VOLTAGE
REGULATOR
DESCRIPTION
regulation and Load Response Control (LRC) of diode
rectified alternator charging systems, as commonly
found in automotive applications.
monitors and compares the system battery voltage to
an externally programmed set point value and pulse
width modulates an N–channel MOSFET transistor to
control the average alternator field current.
FEATURE
*Capable of Regulating Voltage to H0.1 V @ 25GC
*Operating Frequency Selectable with One External
*< 0.4 V Variation over 10% to 95% of Maximum
*Duty Cycle Limit Protection
*Provides High Side MOSFET Control of a Ground
UTC
*Controlled MOSFET and Flyback Diode Recovery
1.0 A
Load Transitions at Low RPM
Referenced Field Winding
Resistor
10,000 RPM
Alternator Output
Devices, and Loads
Characteristics for Minimum RFI
= 280 kHz)
Belt) Detection
In maintaining system voltage, the MC33092
The MC33092 is specifically designed for voltage
UNISONIC TECHNOLOGIES CO., LTD.
SOP-20
SOP-24
QW-R121-006,A
1

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mc33092 Summary of contents

Page 1

... UTC MC33092 LINEAR INTEGRATED CIRCUIT ALTERNATOR VOLTAGE REGULATOR DESCRIPTION The MC33092 is specifically designed for voltage regulation and Load Response Control (LRC) of diode rectified alternator charging systems, as commonly found in automotive applications. In maintaining system voltage, the MC33092 monitors and compares the system battery voltage to an externally programmed set point value and pulse width modulates an N– ...

Page 2

... UTC MC33092 LINEAR INTEGRATED CIRCUIT PIN CONFIGURATION emot amp ...

Page 3

... UTC MC33092 LINEAR INTEGRATED CIRCUIT PIN DESCRIPTION 20-pin 24-pin PIN NAME Package Package PIN No Sense Lamp Collector 3 3 and Power-Up/Down 4 4 Lamp Base 5 5 Ground 6, 15 6,15 Ground 7 7 Oscillator Adjust A resistor to ground on this pin adjusts the internal oscillator frequency. ...

Page 4

... UTC MC33092 LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM MC33092 Lost Sense Circuit Signal Low 2 Combiner Pass and Switch Filter Sense (Remote Supply Reg (Local Counter Phase - Prescaler Oscillator Osc. Adjust 9 Oscillator Note: ** For 24-pin package ABSOLUTE MAXIMUM RATINGS PARAMETER Power Supply Voltage ...

Page 5

... UTC MC33092 LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS ( PARAMETER DC CHARACTERISTICS Regulation Voltage (Determined by external resistor divider) Regulation Voltage Temperature Coefficient Suggested Battery Voltage Operating Range Power Up/Down Threshold Voltage (Pin 3) Standby Current, Vbat = 12.8 V, Ignition off Vbat = 12.8 V, Ignition off, - 125 G C ...

Page 6

... UTC MC33092 LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 6 QW-R121-006,A ...

Page 7

... UTC MC33092 LINEAR INTEGRATED CIRCUIT Standby Current vs. Temperature 0.8 I =Current from Vcc Supply SB Vcc=12.8V »see Figure 1) 0.7 Vc =0.5V »lgnition OFF) 1 I(tot =1.5V Pin2 Pin12 0.6 Pin10 Pin11 Pin19»23**¼ 0.5 0.4 0.3 0 -55 -25 Ambient Temperature, Ta »+Ö¼ Reference Voltage vs. Temperature 2.2 Vref=Voltage at Pin 20»24**¼ ...

Page 8

... UTC MC33092 LINEAR INTEGRATED CIRCUIT TYPICAL TEST CIRCUIT MC33092 Lost Sense Circuit Signal Low 2 Combiner Pass Buff and Switch Filter Sense (Remote Supply Reg (Local Counter Phase - Prescaler Oscillator 9 Oscillator RT Output Note: ** For 24-pin package UTC assumes no responsibility for equipment failures that result from using products at values that ...

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