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| 型號(hào)： | TPS65810RTQ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | 9-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56 |
| 封裝： | 8 X 8 MM, ROHS COMPLIANT, PLASTIC, QFN-56 |
| 文件頁(yè)數(shù)： | 20/99頁(yè) |
| 文件大小： | 2128K |
| 代理商： | TPS65810RTQ |
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SERIAL INTERFACE
Overview
Register Default Values
I2C Address
Incremental Read
I2C Bus Release
Sleep Mode Operation
I2C Communication Protocol
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
The TPS65810 is compatible with a host-controlled environment, with internal parameters and status information
accessible via an I2C interface. An I2C communication port provides a simple way for an I2C compatible host to
access system status information and reset fault modes, functioning as a SLAVE port enabling I2C compatible
hosts to WRITE to or to READ from internal registers. The TPS65810 I2C port is a 2-wire bidirectional interface
using SCL (clock) and SDA (data) pins; the SDA pin is open drain and requires an external pullup. The I2C is
designed to operate at SCL frequencies up to 400 kHz. The standard 8 bit command is supported, the CMD part
of the sequence is the 8 bit register address to READ from or to WRITE to.
The internal TPS65810 registers are loaded during the initial power-up from an internal, non-volatile memory
bank. The power-up default values are described in the sections detailing the registers functionality.
The register contents remain intact as long as OUT pin voltage remains above the internal UVLO threshold,
VUVLO. All register bits are reset to the internal power up default when the OUT pin voltage falls below the VUVLO
threshold or if the HOT_RESET pin is set to LO.
The I2C specification contains several global addresses, which the slaves on the bus are required to respond to.
The TPS65810 only responds (ACK) to addresses: 0x90 and 0x91 and does not respond (NACK) to any other
address.
Table 1. TPS65810 I2C Read/Write Address
BYTE
BIT
MSB
6
5
4
3
2
1
LSB
TPS65810 I2C WRITE ADDRESS
1
0
1
0
TPS65810 I2C READ ADDRESS
1
0
1
0
1
I/O DATA BUS
B7
B6
B5
B4
B3
B2
B1
B0
The TPS65810 does not support incremental read operations. Each register must be accessed in a single read
operation.
The TPS65810 I2C engine does not create START or STOP states on the I2C bus during normal operation.
When the sleep mode is set SDAT is held LO by the TPS65810. The overall system operation is not affected, as
in sleep mode all TPS65810 integrated supplies are disabled and no power is available for any external devices
connected to the TPS65810 SDAT pin. When sleep mode ends the SDAT pin is released before the TPS65810
integrated regulated supplies are enabled. See section on System Sequencing and TPS65810 Operating Modes
for additional details on sleep mode operation.
The following conventions are used when describing the communication protocol:
Table 2. I2C Naming Conventions Used
CONDITION
CODE
START sent from host
S
STOP sent from host
P
TPS65810 I2C slave address sent from host, bus direction set from host to TPS65810 (WRITE)
hA0
Copyright 2006–2007, Texas Instruments Incorporated
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| TPS65810RTQR | 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65810RTQRG4 | 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65810RTQT | 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65810RTQTG4 | 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65811RTQR | 功能描述:電池管理 Integr S-C Li-Ion RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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