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
RIS1
OUT2B
OUT2A
RIS2
VM1
VM
High-Side
Gate Drive
VM
CVG
CHL
CL
H-Bridge 1
IS1
IS2
VG
Pre
Driver
UVLO(VM)
NC
Regulator
VDC
CVDC
Control
Logic
Low-Side
Gate Drive
Imt.VDC
Blank Time
&
PWM Control
Active Decay Control
Transltor
VREF
RR2
RR1
MCU
DAC
IS1
IS2
FS
OCP
1／8
CMP
1
CMP
2
VM2
VM
VM
Figure 1. Block Diagram
5. Ordering Guide
AP1034AER -30°C ~+85°C 24-pin QFN
AP1034AEN -30°C ~+85°C 32-pin QFN
ENABLEB
SLEEPB
RESETB