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CS8312YD8 Datasheet PDF : 8 Pages
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CS8312
IGBT Ignition Predriver with
Dynamic Current Regulation
The CS8312 is a bipolar microprocessor interface IC designed to
drive an IGBT (or logic level MOSFETs) powering large inductive
loads in harsh operating environments. The IC’s dynamic current
limit function lets the microprocessor adjust the current limit threshold
to the real time needs of the system.
CLI, the current limit input, sets the current limit for the IGBT high
or low as directed by the system microprocessor. CLI also raises and
lowers the threshold on the diagnostic FLAG output signal. The
FLAG output signals the microprocessor when the current level
approaches current limit on the IGBT. The CTRL input enables the
FLAG function.
Features
• µP Compatible Inputs
• Adjustable Current Limit Thresholds
• External Sense Resistor
• Flag Signal to Indicate Output Status
VCC
CTRL
FLAG
Control
Logic
VT
Latch
VT
Gate
Driver
5.0 V
OUT
SENSE+
VREF
http://onsemi.com
8
1
DIP–8
N SUFFIX
CASE 626
MARKING
DIAGRAMS
8
CS8312YN8
AWL
YYWW
1
8
1
SO–8
D SUFFIX
CASE 751
8
CS831
ALYW2
1
A
= Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
PIN CONNECTIONS
1
FLAG
SENSE+
VCC
CTRL
SENSE–
CLI
GND
OUT
GND
CLI
SENSE–
Figure 1. Block Diagram
ORDERING INFORMATION
Device
Package
Shipping
CS8312YN8
DIP–8
50 Units/Rail
CS8312YD8
SO–8
95 Units/Rail
CS8312YDR8
SO–8
2500 Tape & Reel
© Semiconductor Components Industries, LLC, 2001
1
March, 2001 – Rev. 4
Publication Order Number:
CS8312/D
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