Datasheet
VCC
REGN
BTST
HIDRV
PH
LODRV
GND
SRP
SRN
VFB
VREF
MPPSET
TS
TERM_EN
STAT1
STAT2
Q2
L: 10µH
C9
4.7µF
R
SR
20mΩ
bq24650
C6
10uF
Q1
C1
2.2µF
Solar Cell
Half Panel
C8
10µF
Battery Pack
C7
0.1µF
C4:1µF
C3
1µF
C2
1uF
C10
22pF
R2
499kΩ
R1
100kΩ
R3
499kΩ
R4
36kΩ
R9
5.23kΩ
R10
30.1k
Ω
Pack
Thermistor
R7:10kΩ
R8:10k Ω
VIN
R5
2Ω
R6: 10
Ω
CE
VIN
D3
D4
D2
C5
100nF
D1
Q3
Thermal
Pad
bq24650
SLUSA75 –JULY 2010
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
TYPICAL APPLICATION
Solar Panel 21 V, MPPT = 18 V, 2-cell, I
CHARGE
= 2 A, I
PRECHARGE
= I
TERM
= 0.2 A, TS = 0 - 45°C
Figure 1. Typical System Schematic
ORDERING INFORMATION
ORDERING
PART NUMBER PACKAGE NUMBER PART MARKING QUANTITY
(Tape and Reel)
bq24650RVAR 3000
16-Pin 3.5×3.5 mm
bq24650 PAS
QFN
bq24650RVAT 250
2 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): bq24650