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| BQ24742 Datasheet, PDF (13/35 Pages) Texas Instruments – Li-Ion or Li-Polymer Battery Charger with Low Iq and Accurate Trickle Charge | |||
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www.ti.com
REF, REGN, and EXTPWR
STARTUP (CE=HIGH)
EXTPWR
Time =400 μs/div
Figure 15.
TRANSIENT RESPONSE
of
IADAPT and LPMOD
ISYS
Iadapt
LPMOD
Time = 100 μs/div
Figure 17.
BATTERY TO GROUND
SHORT TRANSITION
IL
Vbat
SW
LODRV
Time = 10 μs/div
Figure 19.
bq24741, bq24742
SLUS875B â MARCH 2009 â REVISED OCTOBER 2009
TRANSIENT SYSTEM LOAD
(DPM) RESPONSE TRANSITION
Isys
IIN
Ibat
Time = 200 μs/div
Figure 16.
BATTERY OVERCURRENT PROTECTION
(OCP)
VBAT
IL
SW
LODRV
Time = 20 μs/div
Figure 18.
BATTERY TO GROUND
SHORT PROTECTION
IL
VBAT
SW
LODRV
Time = 2 ms/div
Figure 20.
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s) :bq24741 bq24742
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