参数资料
型号: MAX8903YETI+T
厂商: Maxim Integrated Products
文件页数: 13/30页
文件大小: 0K
描述: IC DC/DC CHARGER LI+ 2A 28-TQFN
产品培训模块: Obsolescence Mitigation Program
标准包装: 2,500
系列: Smart Power Selector™
功能: 充电管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 4.1 V ~ 16 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 带卷 (TR)
MAX8903A–E/G/H/J/N/Y
2A 1-Cell Li+ DC-DC Chargers
for USB and Adapter Power
DC POWER
PG
LX
BST
CS
MAX8903_
AC
ADAPTER
DC
MANAGEMENT
PWR
OK
PWM
STEP-DOWN
Li+ BATTERY
CHARGER
AND SYS LOAD SWITCH
SYS
ISET
TO
SYSTEM
LOAD
DOK
REGULATOR
SET
INPUT
LIMIT
CHARGER
CURRENT-
VOLTAGE
CONTROL
BAT
BATTERY
CONNECTOR
BAT+
+
BAT-
USB POWER
USB
USB
MANAGEMENT
THERMISTOR
THM
T
MONITOR
(SEE FIGURE 7)
NTC
UOK
PWR
OK
CURRENT-
LIMITED
VOLTAGE
REGULATOR
SET
INPUT
LIMIT
IC
THERMAL
REGULATION
CHARGE
TERMINATION
AND MONITOR
VL
CHG
DC
DC MODE
DCM
FLT
USB
LIMIT
500mA
100mA
USB
IUSB
USUS
INPUT AND
CHARGER
CURRENT-LIMIT
SET LOGIC
CHARGE
TIMER
CT
SUSPEND
DC
LIMIT
IDC
EP
CEN
GND
Figure 1. Functional Block Diagram
Maxim Integrated
13
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