 English |
|
|
|
|
|
|
|
| BQ24187 Datasheet, PDF (12/44 Pages) Texas Instruments – 1A USB-OTG Support | |||
| |||
| ◁ |
bq24187
SLUSBM0 â APRIL 2014
8.2 Functional Block Diagrams
Not Recommended for New Designs
PMID
IN
5A
CbC current
limit
IINLIM
VINDPM
VSYS(REG)
IBAT(REG)
DC-DC converter PWM logic,
compensation and battery
FET control
VBAT(REG)
DIE temp
regulation
www.ti.com
4.8âV
reference
DRV
BOOT
Q1
SW
Q3
PGND
OVP
comparator
VIN
+
VINOVP
Sleep
Comparator
VIN
+
VBAT+VSLP
VSUPPLY References
Termination
reference
Termination
comparator
IBAT
Start Recharge
cycle
Recharge comparator
+ VBATREG â 0.12 V
VBAT
CD
SDA
SCL
PSEL
Hi-Z
mode
Enable Linear
charge
I2C
interface
Good Battery
circuit
Enable
IBATSHRT
1.5 A /
USB100
VSYSREG comparator
+ VSYS
VMINSYS
VBATSC Comparator
+ VBAT
VBATSHRT
+
VBATGD
Supplement COMPARATOR
+
VBAT VBSUP
VSYS
VBOVP Comparator
+ VBAT
VBATOVP
INT
STAT
DISABLE
1 C/
0.5 C
VBATREG
â 0.14 V
DISABLE
Charge
controller
with timer
+
TS COLD
+
TS COOL
+
TS WARM
+
TS HOT
VDRV
CS+
BAT
TS
Figure 5. Block Diagram In Charging Mode
12
Submit Documentation Feedback
Product Folder Links: bq24187
Copyright © 2014, Texas Instruments Incorporated
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese