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BQ24155 Datasheet(PDF) 9 Page - Texas Instruments

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Part # BQ24155
Description  Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance
PDF  30 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24155 Datasheet(HTML) 9 Page - Texas Instruments

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 9 / 30 page
background image
SW
bq24155
CHARGECONTROL
,
TIMERandDISPLAY
LOGIC
* Sleep
CSOUT
CSIN
STAT
PGND
SW
PGND
SCL
NMOS
NMOS
NMOS
PMID
SDA
(I2CControl)
Decoder
DAC
Q2
Q3
VREF
PMID
Q1
BOOT
REFERNCES
& BIAS
PMID
VBUS
SW
VPMID
PGND
VBUS
VPMID
ISEL
AUXPWR
ISHORT
VREF
LINEAR _CHG
+
-
-
+
-
-
+
-
+
-
TJ
TCF
IOCHARGE
VOREG
VREF
Charge
Pump
VREF1
IIN_LIMIT
OSC
+
-
VOVP_IN
VBUS
VBUS
+
-
VUVLO
VBUS
+
VIN(MIN)
VBUS
+
-
TJ
TSHTDWN
CBC
Current
Limiting
PWM
Controller
ILIMIT
+
-
VBAT
VBUS
VBAT
VOUT
VCSIN
*
BatteryOVP
+
-
VOUT
VOVP
VBUSUVLO
PoorInput
VBUSOVP
Thermal
Shutdown
* Recharge
+
-
VOUT
VOREG-VRCH
* SignalDeglitched
+
-
-
VOUT
VCSIN
ITERM
*
PWM_CHG
* PWMCharge
Mode
+
-
VBAT
VSHORT
Termination
VREF1
bq24155
www.ti.com
SLUS942 – FEBRUARY 2010
FUNCTIONAL BLOCK DIAGRAM (Charge Mode)
Figure 11. Function Block Diagram of bq24155 in Charge Mode
Copyright © 2010, Texas Instruments Incorporated
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Product Folder Link(s): bq24155



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