Manual

2
9122B–AUTO–10/08
ATA6833/ATA6834 [Preliminary]
Figure 1-1. Block Diagram
Supervisor:
Short Circuit
Overtemperature
Undervoltage
CP
VBATSW VINTVBAT
VBAT
PBAT
VG
LIN EN1
CPLO2CPLO1
CPOUTCPHI2CPHI1
CC
Timer
WD
Timer
VBG
LIN
Hall A
Hall B
Hall C
ATA6833/34
Logic Control
Oscillator
VINT 5V
Regulator
13V
Regulator
Microcontroller
High-side
Driver 1
High-side
Driver 2
High-side
Driver 3
3.3/5V VCC
Regulator
Low-side
Driver 3
Low-side
Driver 2
Low-side
Driver 1
L2
L1
L3
VMODE
H2
H3
DG3
/RESET
DG2
DG1
WD
IH1-3
IL1-3
TX
RX
VCC
H1
S2
S3
S1
RWD WDDGNDEN2 PGND
M
Hall A
Hall C
Hall B
CC