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BQ24705 Datasheet(PDF) 12 Page - Texas Instruments

Part # BQ24705
Description  Host-Controlled Multi-Cell Battery Charger
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ24705 Datasheet(HTML) 12 Page - Texas Instruments

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t − Time=5ms/div
I
BAT
V
PH
V
BAT
t − Time=2ms/div
V
REF
V
REGN
V
ACDET
t − Time=4ms/div
VCHGEN
VPH
I
BAT
VBAT
V
BAT
t − Time=200 s/div
m
V
IN
I
L
t − Time=1 s/div
m
PH
LDRV
IL
t − Time=1 s/div
m
PH
LDRV
IL
bq24705
SLUS779B – DECEMBER 2007 – REVISED MARCH 2009............................................................................................................................................... www.ti.com
BATTERY REMOVAL
REF AND REGN STARTUP
Figure 18.
Figure 19.
CHARGE ENABLE / DISABLE AND CURRENT
CHARGER ON ADAPTER REMOVAL
SOFT-START
Figure 20.
Figure 21.
NONSYNCHRONOUS TO SYNCHRONOUS TRANSITION
SYNCHRONOUS TO NONSYNCHRONOUS TRANSITION
Figure 22.
Figure 23.
BATTERY SHORTED CHARGER RESPONSE,
NEAR 100% DUTY CYCLE BOOTSTRAP RECHARGE
OVERCURRENT PROTECTION (OCP) AND CHARGE
PULSE
CURRENT REGULATION
Figure 24.
Figure 25.
12
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Copyright © 2007–2009, Texas Instruments Incorporated
Product Folder Link(s) :bq24705
Not Recommended for New Designs


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