参数资料
型号: MAX8671XETL+T
厂商: Maxim Integrated Products
文件页数: 8/44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)
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
Prequalification Time
Fast-Charge Time
SYMBOL
t PQ
t FC
C CT = 0.15μF
C CT = 0.15μF
CONDITIONS
MIN
TYP
33
660
MAX
UNITS
min
min
Top-Off Time
t TO
15
s
THERMISTOR INPUT (THM) (V DC = 5.0V, EN = low)
THM Threshold, Cold
THM Threshold, Hot
THM Input Leakage Current
V THMC
V THMH
I THM
V THM rising, 65mV hysteresis
V THM falling, 65mV hysteresis
THM = AGND or VL, T A = +25°C
THM = AGND or VL, T A = +85°C
73.0
27.0
-0.100
74.0
28.4
0.001
0.01
75.5
30.0
+0.200
% of
V VL
% of
V VL
μA
POWER SEQUENCING (Figures 11 and 12)
EN to REG3 Enable Delay
REG1 Soft-Start Time
REG3 to REG1/2 Delay
REG2 Soft-Start Time
REG3 Soft-Start Time
REG1/2 to REG4 Delay
REG4 Soft-Start Time
REG5 Soft-Start Time
t D1
t SS1
t D2
t SS2
t SS3
t D3
t SS4
t SS5
120
2.6
0.4
2.6
2.6
0.3
3.0
3.0
μs
ms
ms
ms
ms
ms
ms
ms
REGULATOR THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
T J rising
+165
15
°C
°C
REG1—SYNCHRONOUS STEP-DOWN CONVERTER
Input Voltage
Maximum Output Current
PV1 supplied from SYS
L = 4.7μH, R L = 0.13 Ω (Note 7)
425
V SYS
V
mA
FB1 Voltage
Adjustable Output Voltage Range
(Note 8)
0.997
1
1.012
1.028
V SYS
V
V
FB1 Leakage Current
V FB1 = 1.012V
T A = +25°C
T A = +85°C
-50
-5
-5
+50
nA
Load Regulation
Line Regulation
PWM mode
PWM mode (Note 9)
4.4
1
%/A
%/D
p-Channel On-Resistance
n-Channel On-Resistance
p-Channel Current-Limit
Threshold
V PV1 = 4V, I LX1 = 180mA
V PV1 = 4V, I LX1 = 180mA
0.555
165
200
0.615
330
400
0.675
m Ω
m Ω
A
8
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