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BQ24160 bảng dữ liệu(PDF) 29 Page - Texas Instruments

tên linh kiện BQ24160
Giải thích chi tiết về linh kiện  bq2416xx 2.5A, Dual-Input, Single-Cell Switched-Mode Li-Ion Battery Charger with Power Path Management and I2C Interface
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nhà sản xuất  TI [Texas Instruments]
Trang chủ  http://www.ti.com
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BQ24160 bảng dữ liệu(HTML) 29 Page - Texas Instruments

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bq24160, bq24160A, bq24161
bq24161B, bq24163, bq24168
www.ti.com
SLUSAO0G – NOVEMBER 2011 – REVISED DECEMBER 2015
Product Folder Links: bq24160 bq24160A bq24161 bq24161B bq24163 bq24168
Submit Documentation Feedback
Copyright © 2011–2015, Texas Instruments Incorporated
9.6 Register Maps
9.6.1 Status/Control Register (READ/WRITE)
Memory location: 00, Reset state: 0xxx 0xxx
BIT
NAME
Read/Write FUNCTION
B7 (MSB)
TMR_RST
Read/Write
Write: TMR_RST function, write “1” to reset the watchdog timer (auto clear)
Read: Always 0
(bq24160/1/3 only)
B6
STAT_2
Read only
000- No Valid Source Detected
001- IN Ready (shows preferred source when both connected)
010- USB Ready (shows preferred source when both connected)
011- Charging from IN
100- Charging from USB
101- Charge Done
110- NA
111- Fault
B5
STAT_1
Read only
B4
STAT_0
Read only
B3
SUPPLY_SEL
Read/Write
0-IN has precedence when both supplies are connected
1-USB has precedence when both supplies are connected (default 0)
B2
FAULT_2
Read only
000-Normal
001- Thermal Shutdown
010- Battery Temperature Fault
011- Watchdog Timer Expired (bq24160/1/1B/3 only)
100- Safety Timer Expired (bq24160/1/1B/3 only)
101- IN Supply Fault
110- USB Supply Fault
111- Battery Fault
B1
FAULT_1
Read only
B0 (LSB)
FAULT_0
Read only
SUPPLY_SEL Bit (Supply Precedence Selector)
The SUPPLY_SEL bit selects which supply has precedence when both supplies are present. In cases
where both supplies are connected, they must remain isolated from each other which means only one
is allowed to charge the battery. Write a “1” to SUPPLY_SEL to select the USB input to have
precedence. Write a “0” to select the IN input.Note the following behavior when switching the
SUPPLY_SEL bit with both supplies attached:
The bq2416xx returns to high impedance mode
The input supply is switched
The bq2416xx begins a full startup cycle starting with bad adapter detection then proceeding to soft-start
Similarly, if charging from the non-preferred supply when the preferred supply is attached, the
bq2416xx follows the same procedure.
STAT_x and FAULT_x Bits
The STAT_x show the current status of the device and are updated dynamically as the IC changes
state. The FAULT_x bits show faults that have occurred and are only cleared by reading the bits,
assuming the fault no longer exists. If multiple faults occur, the first one is the one that is shown.
9.6.2 Battery/ Supply Status Register (READ/WRITE)
Memory location: 01, Reset state: xxxx 0xxx
BIT
NAME
Read/Write
FUNCTION
B7 (MSB)
INSTAT1
Read Only
00-Normal
01-Supply OVP
10-Weak Source Connected (No Charging)
11- VIN<VUVLO
B6
INSTAT0
Read Only
B5
USBSTAT1
Read Only
00-Normal
01-Supply OVP
01-Weak Source Connected (No Charging)
11- VUSB<VUVLO
B4
USBSTAT0
Read Only


Số phần tương tự - BQ24160_V01

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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Mô tả tương tự - BQ24160_V01

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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