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参数资料
| 型号： | MAX8671XETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/44页 |
| 文件大小： | 0K |
| 描述： | IC PMIC W/CHARGER 40-TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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 ~ 6.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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PMIC with Integrated Charger and
Smart Power Selector for Handheld Devices
ELECTRICAL CHARACTERISTICS (continued)
(DC, USB, BVSET, UOK , DOK , LX_ unconnected; V THM = V L /2, V PG_ = V AGND = 0V, V BAT = 4V, CEN = low, USUS = low, EN = high,
V PEN1 = V PEN2 = 3.3V, V PWM = 0V, C OUT4 = 1μF, C OUT5 = 1μF, C SYS = 10μF, PV1 = PV2 = PV3 = PV4 = PV5 = SYS, R DISET = 3k Ω ,
R CISET = 3k Ω , C VL = 0.1μF, C CT = 0.15μF, C BP = 0.01μF, V FB1 = 1.1V, V FB2 = 1.1V, V FB3 = 1.1V, T A = -40°C to +85°C, unless other-
wise noted.) (Note 2)
PARAMETER
BVSET Input-Voltage High
SYMBOL
CONDITIONS
V USB or V DC = 4.1V to 6.6V
MIN
V VL -
0.3
TYP
MAX
V VL +
0.3
UNITS
V
Internal BVSET Pullup Resistance
52.5
k Ω
External BVSET Pulldown
Resistance for Midrange Voltage
R BVSET
45
50
55
k Ω
Note 2: Limits are 100% production tested at T A = +25°C. Limits over the operating temperature range are guaranteed through cor-
relation using statistical quality control (SQC) methods.
Note 3: The USB/DC current limit does not include the VL output current. See the VL Linear Regulator section for more information.
Note 4: Quiescent current excludes the energy needed for the REG1–REG5 external resistor-dividers. All typical operating charac-
teristics include the energy for the REG1–REG5 external resistor-dividers. For the circuit of Figure 1, the typical quiescent
current with DC and USB unconnected, EN = high, V BAT = 4V, and PWM = low is 175μA.
Note 5: The charger transitions from done to fast-charge mode at this BAT recharge threshold (Figure 7).
Note 6: The charger transitions from fast-charge to top-off mode at this top-off threshold (Figure 7).
Note 7: The maximum output current is guaranteed by correlation to the p-channel current-limit threshold, p-channel on-resistance,
n-channel on-resistance, oscillator frequency, input voltage range, and output voltage range. The parameter is stated for a
4.7μH inductor with 0.13 Ω series resistance. See the Step-Down Converter Output Current section for more information.
Note 8: The step-down output voltages are 1% high with no load due to the load-line architecture. When calculating the external
resistor-dividers, use an FB_ voltage of 1.000V.
Note 9: Line regulation for the step-down converters is measured as Δ V OUT / Δ D, where D is the duty cycle (approximately
V OUT /V IN ).
Note 10: The skip mode current threshold is the transition point between fixed-frequency PWM operation and skip mode operation.
The specification is given in terms of output load current for inductor values shown in the typical application circuits.
12
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| MAX8672ETD+T | 功能描述:电池管理 Backup Management IC for NiMH Batteries 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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