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ADP2291ARMZ-R7 Datasheet(PDF) 11 Page - Analog Devices

Part # ADP2291ARMZ-R7
Description  Compact, 1.5 A Linear Charger for Single-Cell Li Battery
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP2291ARMZ-R7 Datasheet(HTML) 11 Page - Analog Devices

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ADP2291
Rev. 0 | Page 11 of 20
THERMAL SHUTDOWN
In the event that the ADP2291 junction temperature rises above
135°C, thermal shutdown occurs. Extreme junction tempera-
tures may be the result of excessive current operation and/or
high ambient temperatures. A 35°C temperature hysteresis is
included so that the ADP2291 does not return to operation
during thermal shutdown until the on-chip temperature drops
below 100°C.
CONTROL
LOGIC
TIMER
TEMP
VOLTAGE
REFERENCE
GM
3V
1.2V
5V
GM
GM
TIMER
ADJ
BAT
DRV
CS
IN
SHUTDOWN
VIN_GOOD
RESTART
BAT
4.1V
BAT
2.5V
CHG
0.4V
IN
BAT
IN
3.8V
IPNP
C/10
PRECHARGE
POWER_DOWN
END_OF_CHARGE
Figure 20. Functional Block Diagram



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