JBL Pulse 4 - Party Boost

©2017 HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
2
JBL PULSE 4 BLOCK DIAGRAM
Audio Signal:
Power Signal:
Control Signal:
3ohm
25wX1
5.2V‐14VforAMP
ANT
Battery
3.7V/7800mAH
MCU
STM32F401CCU6
64KB SRAM
256K FLASH
TI
TPA3128
25W PBTL
26dB
BT Module
WS9638BFEM
( with 32Mb SPI
flash)
UART
4MB Flash
SPI
Mix/Mono
Indication
LEDx10
AC adaptor
5V/3A
SW
Buck-Boost
MP28164
3.7VforRGBLEDs
3.3VforMCU/BTFEM
G Sensor
KXTJ3‐1057
USB
upgrade
BTand
MCU
BUFFER
SGM7SZ125
/SD103
120
RGB LEDs
(with drivers)
Charger
BQ25601
SW
LDO-3.3V
ME6211
3.3VforOP
Logic
SLG4V4826V
OP 1PCS
TPA2412/NJM2740/
BA4510
OP 1PCS
TPA2412/NJM2740/B
A4510
Boostcontrol
Boostcontrol
Power_ON_OFF
Powerbutton
LDO-3.3V
ME6211
3.3Valwaysonfor
logiccontrolchip
USBDetect
OP
LMV331/
DIO20871A
D+/D‐
D+/D‐
LDO-3.3V
ME6211
I2C
DCDET
5V/2.3ADET
NTC2
DC-DC boost
MP3431
BOOST &
BYPASS
SYV709
3.6V
3.7V
TypeC
USBport
IO Expander
SLG4L41466V
I2C
Need6PWM
GPIOforbatteryLEDS
NTC1
6buttons
I2C
DC5V
BAT
SW
BAT_DET
SPI_MOSI1
PowerON
PowerOn
Power_OFF_READY
BOOST_EN
BOOST_EN
RGB_LED_EN
EN
EN
EN