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ACT8941A Folha de dados(PDF) 19 Page - Active-Semi, Inc

Nome de Peças ACT8941A
Descrição Electrónicos  Advanced PMU for Rockchip RK2906/RK2918 Processor
PDF  42 Pages
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Fabricante Electrônico  ACTIVE-SEMI [Active-Semi, Inc]
Página de início  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8941A Folha de dados(HTML) 19 Page - Active-Semi, Inc

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ACT8941A
Rev 0, 12-Mar-13
- 19 -
www.active-semi.com
ActivePMU
TM and ActivePathTM are trademarks of Active-Semi.
I2CTM is a trademark of NXP.
Copyright © 2013 Active-Semi, Inc.
Innovative PowerTM
Active-Semi Proprietary―For Authorized Recipients and Customers
ActivePath
TM CHARGER ELECTRICAL CHARACTERISTICS CONT’D
(VCHGIN = 5.0V, TA = 25°C, unless otherwise specified.)
: RISET (kΩ) = 2336 × (1V/ICHG (mA)) - 0.205
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
CHARGER
BAT Reverse Leakage Current
VCHGIN = 0V, VBAT = 4.2V, IVSYS = 0mA
8
µA
BAT to VSYS On-Resistance
70
mΩ
ISET Pin Voltage
Fast Charge
1.2
V
Precondition
0.13
Charge Termination Voltage
VTERM
TA = -20°C to 70°C
4.179
4.2
4.221
V
TA = -40°C to 85°C
4.170
4.2
4.230
Charge Current
VBAT = 3.8V
RISET = 6.8K
ACIN = VSYS, CHGLEV = VSYS
-10%
ICHG1
+10%
mA
ACIN = VSYS, CHGLEV = GA
-10%
ICHG/5
+10%
ACIN = GA, CHGLEV = VSYS
400
450
500
ACIN = GA, CHGLEV = GA
80
90
100
Precondition Charge Current
VBAT = 2.7V
RISET = 6.8K
ACIN = VSYS, CHGLEV = VSYS
10% ICHG
mA
ACIN = VSYS, CHGLEV = GA
10% ICHG
ACIN = GA, CHGLEV = VSYS
45
ACIN = GA, CHGLEV = GA
45
Precondition Threshold Voltage VBAT Voltage Rising
2.75
2.85
3.0
V
Precondition Threshold
Hysteresis
VBAT Voltage Falling
150
mV
END-OF-CHARGE Current
Threshold
VBAT = 4.15V,
ACIN = VSYS, CHGLEV = VSYS
10% ICHG
ACIN = VSYS, CHGLEV = GA
10% ICHG
Charge Restart Threshold
VTERM - VBAT, VBAT Falling
190
205
220
mV
Precondition Safety Timer
PRETIMO[ ] = 10
80
min
Total Safety Timer
TOTTIMO[ ] = 10
5
hr
Thermal Regulation Threshold
100
°C
mA
ACIN = GA, CHGLEV = GA
45
ACIN = GA, CHGLEV = VSYS
45



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