TDA8939 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TDA8939 Datasheet PDF : 21 Pages
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Philips Semiconductors
6. Block diagram
TDA8939
Zero dead time Class-D 7.5 A power comparator
3
VDDA1
4
IN1P
2
IN1N
1
VSSA1
5
POWERUP
TDA8939TH
7
DIAGN
Q PROTECTION S
LATCH
R
6
ENABLE
CGND 8
10
VDDA2
9
IN2P
11
IN2N
12
VSSA2
24
sub
VSSD
heatsink
Fig 1. Block diagram.
ZERO
DEAD TIME
CONTROL
DRIVER
HIGH
DRIVER
LOW
22
BOOT1
23
VDDP1
21
OUT1
STAB
19
12 V
20
OTP temperature sensor
≥
OCP current protection
OVP overvoltage protection
UVP undervoltage protection
15
14
DRIVER
HIGH
ZERO
16
DEAD TIME
CONTROL
DRIVER
LOW
STAB1
VSSP1
BOOT2
VDDP2
OUT2
STAB
12 V
13
n.c.
18
STAB2
17
VSSP2
001aaa624
9397 750 13023
Objective data sheet
Rev. 01 — 22 April 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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