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MP2639A Datasheet(PDF) 12 Page - Monolithic Power Systems

Part # MP2639A
Description  2-Cell Li-Ion or Li-Polymer Switching Charger Compatible with 5V Input and Integrated, Bidirectional Charge/Discharge
PDF  35 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2639A Datasheet(HTML) 12 Page - Monolithic Power Systems

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MP2639A
– SWITCH-MODE BATTERY CHARGER W/ BIDIRECTIONAL OPERATION
MP2639A Rev. 1.0
www.MonolithicPower.com
12
6/6/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = VL = 5V, VBATT = VH = 7.4V, CVL = CVH = 22µF, L1 = 2.2µH, CTMR = 0.1µF, R1 = 76.8kΩ, R2 =
24.3kΩ, R3 = 27.4kΩ, R4 = 10kΩ, battery simulator, unless otherwise noted.
NTC Protection,
TC Mode
VBATT = 5.6V, RILIM = 73.2kΩ,
RISET = 86.6kΩ
NTC Protection,
CC Mode
VBATT = 7.4V, RILIM = 73.2kΩ,
RISET = 86.6kΩ
NTC Protection,
CC Mode
VBATT = 8.15V, RILIM = 73.2kΩ,
RISET = 86.6kΩ
CH2: VBATT
2V/div.
CH1: VNTC
1V/div.
CH4: IBATT
200mA/div.
CH3: VSW
5V/div.
CH2: VBATT
2V/div.
CH1: VNTC
1V/div.
CH4: IBATT
1A/div.
CH3: VSW
5V/div.
CH2: VBATT
2V/div.
CH1: VNTC
1V/div.
CH4: IBATT
1A/div.
CH3: VSW
5V/div.
10ms/div.
10ms/div.
10ms/div.
Timer Out Protection
VBATT = 7.4V, RILIM = 73.2kΩ,
RISET = 86.6kΩ, CTMR = 220pF
Recovery from
Timer Out
VBATT = 7.4V, RILIM = 73.2kΩ,
RISET = 86.6kΩ, CTMR = 220pF
Timer Period
VBATT = 7.4V, RILIM = 73.2kΩ,
RISET = 86.6kΩ, CTMR = 220pF
CH1: VTMR
1V/div.
CH2: VBATT
2V/div.
CH3:
CHGOK
2V/div.
CH4: IBATT
1A/div.
CH1: VTMR
1V/div.
CH2: VBATT
2V/div.
CH3:
CHGOK
2V/div.
CH4: IBATT
1A/div.
CH1: VTMR
1V/div.
CH2: VBATT
2V/div.
CH3:
CHGOK
2V/div.
CH4: IBATT
1A/div.
100µs/div.
1ms/div.
4s/div.
Indication
@ BATT OVP
VBATT = 9.0V, RILIM = 73.2kΩ,
RISET = 86.6kΩ
Indication
@ Charge Mode Off
VBATT = 7.4V, RILIM = 73.2kΩ,
RISET = 86.6kΩ
Indication
@ NTC Fault
VBATT = 3.7V, RILIM = 14.7kΩ,
RISET = 49.9kΩ
CH1: VBATT
2V/div.
CH2: ACOK
2V/div.
CH3:
CHGOK
2V/div.
CH4: IBATT
1A/div.
CH1: VMODE
2V/div.
CH2: ACOK
2V/div.
CH3:
CHGOK
2V/div.
CH4: IL
2A/div.
CH1: VNTC
2V/div.
CH2: ACOK
2V/div.
CH3:
CHGOK
2V/div.
CH4: IL
2A/div.
1ms/div.
1ms/div.
400ms/div.



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