参数资料
型号: MAX8971EWP+T
厂商: Maxim Integrated Products
文件页数: 36/39页
文件大小: 0K
描述: IC DCDC CHRGR LI+ 1CELL 20WLP
标准包装: 2,500
功能: 充电管理,过压/欠压保护
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 4 V ~ 7.5 V
工作温度: -40°C ~ 85°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
MAX8971
Industry's Smallest 1.55A
1-Cell Li+ DC-DC Charger
Temperature Regulation
REGISTER
NAME
TEMPREG
I 2 C SLAVE
ADDRESS
0x6A
REGISTER
ADDRESS
0x09
ACCESS
TYPE
R/W
SPECIAL
FEATURES
Protected with
CPROT[1:0]
RESET CONDITION
VSTBY INVALID or rising
edge of SFO_POK
BITS
B7
B6
B5
B4
B3
B2
B1
B0
NAME
REGTEMP[1:0]
THM_CNFG
THMRES[1:0]
SAFETYREG
NAME
REGTEMP[1:0]
THM_CNFG
Reserved
Reserved
SAFETYREG
BIT DESCRIPTION
Die-Temperature Thermal Regulation Loop Setpoint
0x0 = 0b00 = 105 ° C
0x1 = 0b01 = 90 ° C
0x2 = 0b10 =120 ° C
0x3 = 0b11 = Disabled
Thermistor Monitor Configuration
0b0 = The thermistor is continuously monitored.
0b1 = The thermistor is not being monitored.
Reserved
Reserved
JEITA Safety Region Selection
0 = Safety region 1
DEFAULT
0b00
0b1
NA
NA
0b0
1 = Safety region 2
Charger Protection
REGISTER
NAME
PROTCMD
I 2 C SLAVE
ADDRESS
0x6A
REGISTER
ADDRESS
0x0A
ACCESS TYPE
R/W
SPECIAL
FEATURES
N/A
RESET CONDITION
VSTBY INVALID or rising
edge of SFO_POK
BITS
B7
B6
B5
B4
B3
B2
B1
B0
NAME
CPROT[1:0]
NAME
CPROT[1:0]
Maxim Integrated
DESCRIPTION
Charger-Setting Protection Bits
Writing 11 to these bits unlocks the settings for the above registers. Writing any
value besides 11 locks these registers.
0b00 = locked
0b01 = locked
0b10 = locked
0b11 = unlocked
DEFAULT
0b00
36
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