Specification

[AP1034]
016003455-E-01 - 3 - 2016/06
4.Block Diagram
M
MODE1
ENABLE
_B
RESET
_B
CH
OSC
TSD
Charge
Pump
H-Bridge 2
Exposed Pad
SLEEP
_B
MODE2
GND
DIR
STEP
OUT1B
OUT1A
RIS
1
OUT2B
OUT2A
RIS2
VM
1
VM
High-Side
Gate Drive
VM
CVG
CHL
CL
H-Bridge 1
IS1
IS2
VG
Pre
Driver
UVLO(VM
)
N
C
Regulator
V
DC
CVDC
Control
Logic
Low-
Side
Gate Drive
Imt.VD
C
Blank Time
&
PWM Control
Active
Decay Control
Transltor
VREF
RR2
RR
1
MCU
DAC
IS1
IS2
FS
OCP
1
8
CMP
1
CMP
2
VM2
VM
V
M
Figure 1. Block Diagram
5.Ordering Guide
AP1034AER -30°C ~+85°C 24-pin QFN
AP1034AEN -30°C ~+85°C 32-pin QFN
ENABLE
B
SLEEP
B
RESET
B