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参数资料
| 型号： | MAX8971EWP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 28/39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： | * |
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MAX8971
Industry's Smallest 1.55A
1-Cell Li+ DC-DC Charger
Charger Status
REGISTER
NAME
CHG_STAT
I 2 C SLAVE
ADDRESS
0x6A
REGISTER
ADDRESS
0x02
RESET
VALUE
R
ACCESS
TYPE
N/A
SPECIAL
FEATURES
RESET CONDITION
VSTBY INVALID or rising
edge of SFO_POK
BITS
NAME
B7
DCV_OK
B6
DCI_OK
B5
DCOVP_
OK
B4
DCUVP_
OK
B3
CHG_OK
B2
BAT_OK
B1
THM_OK
B0
—
BIT
B7
B6
B5
B4
B3
B2
B1
Maxim Integrated
NAME
DCV_OK
DCI_OK
DCOVP_OK
DCUVP_OK
CHG_OK
BAT_OK
THM_OK
BIT DESCRIPTION
Single-Bit DC Input Status Indicator. See DC_DTLS[1:0] for more information.
1 = The DC input is invalid. DC_V = 1.
0 = The DC input is valid. DC_DTLS[1:0]=DC_V=0.
1 = The DC input is invalid. DC_I = 1.
0 = The DC input is valid. DC_DTLS[1:0] =DCI=0.
1 = The DC input is invalid. DC_OVP = 1.
0 = The DC input is valid. DC_DTLS[1:0] =DC_OVP=0.
1 = The DC UVP is invalid.
0 = The DC input is valid. DC_DTLS[1:0] =DC_UVP=0.
Single-Bit Charger Status Indicator. See CHG_DTLS[3:0] for more information.
1 = The charger has suspended charging. CHG_DTLS[3:0 ] = 0b0101 or 0b0110 or 0b0111 or
0b1000.
0 = The charger is okay. CHG_DTLS[3:0] ≠ 0b0101 or 0b0110 or 0b0111 or 0b1000.
Single-Bit Battery Status Indicator. See BAT_DTLS[1:0] for more information.
1 = The battery has an issue and the charger has been suspended. BAT_DTLS[1:0]=0b01 or
0b11.
0 = The battery is okay. BAT_DTLS[1:0]=0b10 or 0b00.
Single-Bit Thermistor Status Indicator. See the THM_DTLS[2:0] for more information.
1 = The thermistor temperature is outside of the allowable range for charging. THM_DTLS[2:0] ≠
0b100 or 0b101.
0 = The thermistor temperature is inside of the allowable range for charging. THM_DTLS[2:0] =
0b100 or 0b101.
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| MAX8971QEWP+T | 功能描述:电池管理 Switch-Mode Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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