BQ25505 Datasheet, PDF (3/34 Pages) Texas Instruments – Ultra Low Power Boost Charger with Battery Management and Autonomous Power

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bq25505
SLUSBJ3B – AUGUST 2013 – REVISED JANUARY 2014
TYPICAL APPLICATION SCHEMATIC
CSTOR
Solar ⁺
Cell
-
L1
CIN
CREF
VOC_SAMP
LBOOST
VREF_SAMP
VSS
VIN_DC
MPPT
VSTOR VBAT_SEC
Host
GPIO1
GPIO2
EN
VBAT_OK
CBYP
VSTOR
VBAT_SEC
+ SEC_BAT
(rechargeable)
VBAT_PRI
Boost
Controller ^VBAT_OK
Ideal Diode OR
+
PRI_BAT
VB_PRI_ON
Cold Start
Nano-Power
Management
VB_SEC_ON
bq25505
R_OV2
R_OV1
R_OK3
R_OK2
R_OK1
TPS62736
System
Load
For Ordering Information, see the Package Option Addendum at the end of the data sheet.
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