Rainbow Electronics ATA6834 - Manual (Page 2)

2
9122B–AUTO–10/08
ATA6833/ATA6834 [Preliminary]
Figure 1-1. Block Diagram
Su pervi s or:
S hort Circ u it
Overtemper a t u re
Undervolt a ge
CP
VBAT S W VINT VBAT
VBAT
PBAT VG
LIN EN1
CPLO2 CPLO1
CPOUT CPHI2 CPHI1
CC
Timer
WD
Timer
VBG
LIN
H a ll A
H a ll B
H a ll C
ATA6833/34 Logic Control
O s cill a tor
VINT 5V
Reg u l a tor
1 3 V
Reg u l a tor
Microcontroller
High- s ide
Driver 1
High- s ide
Driver 2
High- s ide
Driver 3
3 . 3 /5V VCC
Reg u l a tor
Low- s ide
Driver 3
Low- s ide
Driver 2
Low- s ide
Driver 1
L2
L1
L 3
VMODE
H2
H 3
DG 3
/RE S ET
DG2
DG1
WD
IH1- 3
IL1- 3
TX
RX
VCC
H1
S 2
S3
S 1
RWD WDD GND EN2 PGND
M
H
a
ll A
H
a
ll C
H
a
ll B
CC