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BQ24153A PDF预览

BQ24153A

更新时间： 2024-11-16 08:59:03
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德州仪器 - TI 电池开关
页数 文件大小 规格书
43页 2229K
描述
Fully Integrated Switch-Mode One-Cell Li-Ion Charger

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BQ24153A 数据手册

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bq24153A  
bq24156A, bq24158  
www.ti.com  
SLUSAB0 –OCTOBER 2010  
Fully Integrated Switch-Mode One-Cell Li-Ion Charger  
With Full USB Compliance and USB-OTG Support  
Check for Samples: bq24153A, bq24156A, bq24158  
1
FEATURES  
23  
•
Charge Faster than Linear Chargers  
•
Synchronous Fixed-Frequency PWM  
Controller Operating at 3 MHz With 0% to  
•
High-Accuracy Voltage and Current Regulation  
99.5% Duty Cycle  
–
–
–
Input Current Regulation Accuracy: ±5%  
(100 mA and 500 mA)  
•
•
Automatic High Impedance Mode for Low  
Power Consumption  
Charge Voltage Regulation Accuracy:  
±0.5% (25°C), ±1% (0°C to 125°C)  
Robust Protection  
–
Reverse Leakage Protection Prevents  
Battery Drainage  
Charge Current Regulation Accuracy: ±5%  
•
Input Voltage Based Dynamic Power  
Management (VIN DPM)  
–
–
Thermal Regulation and Protection  
Input/Output Overvoltage Protection  
•
•
Bad Adaptor Detection and Rejection  
•
•
•
•
•
Status Output for Charging and Faults  
USB Friendly Boot-Up Sequence  
Automatic Charging  
Safety Limit Register for Maximum Charge  
Voltage and Current Limiting  
•
High-Efficiency Mini-USB/AC Battery Charger  
for Single-Cell Li-Ion and Li-Polymer Battery  
Packs  
Power Up System without Battery bq24158  
Boost Mode Operation for USB OTG:  
(bq24153A/8 only)  
•
•
20-V Absolute Maximum Input Voltage Rating  
9-V Maximum Operating Input  
Voltage-bq24156A  
–
Input Voltage Range (from Battery): 2.5 V to  
4.5 V  
•
6-V Maximum Operating Input  
Voltage-bq24153A/8  
–
Output for VBUS: 5.05 V/ 200 mA  
•
2.1 mm x 2 mm 20-Pin WCSP Package  
•
•
Built-In Input Current Sensing and Limiting  
Integrated Power FETs for Up To 1.5-A Charge  
Rate-bq24156A/8, 1.25A-bq24153A  
APPLICATIONS  
•
•
•
Mobile and Smart Phones  
MP3 Players  
Handheld Devices  
•
Programmable Charge Parameters through  
I2C™ Compatible Interface (up to 3.4 Mbps):  
–
–
–
–
–
–
–
Input Current Limit  
Typical Application Circuit  
VIN DPM Threshold  
V
L
1 µH  
SNS  
O
V
BAT  
V
VBUS  
BUS  
SW  
Fast-Charge/Termination Current  
Charge Regulation Voltage (3.5 V to 4.44 V)  
Low Charge Current Mode Enable/Disable  
Safety Timer with Reset Control  
Termination Enable/Disable  
U1  
bq24153A/8  
C
C
O1  
22 µF  
IN  
1 µF  
C
C
O2  
BOOT  
10 nF  
33 µF  
PMID  
BOOT  
PGND  
C
IN  
PACK+  
C
4.7  
µF  
SIN  
VAUX  
10 kΩ  
+
0.1 µF  
CSIN  
10 kΩ  
10 kΩ  
SCL  
SCL  
SDA  
STAT  
OTG  
CSOUT  
PACK–  
SDA  
STAT  
OTG  
C
SOUT  
C
VREF  
VREF  
0.1 µF  
CD  
10 kΩ  
CD  
1 µF  
10 kΩ  
HOST  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
NanoFree is a trademark of Texas Instruments.  
I2C is a trademark of NXP B.V. Corporation.  
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2010, Texas Instruments Incorporated  
1234567...43

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