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參數資料
| 型號： | TPS65810RTQ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 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 |
| 文件頁數： | 21/99頁 |
| 文件大小： | 2128K |
| 代理商： | TPS65810RTQ |
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STOP
CONDITION
(P)
START
CONDITION
(S)
BIT 7
MSB
BIT 6
BIT0
LSB
ACKNOWLEDGE
(hA orbqA
)
STOP
CONDITION
(P)
SCL
SDA
STOP
CONDITION
(P)
START
CONDITION
(S)
BIT 7
MSB
BIT 6
BIT 0
LSB
NOT
ACKNOWLEDGE
(hNorbqN)
STOP
CONDITION
(P)
SCL
SDA
STOP
CONDITION
(P)
START
CONDITION
(S)
BIT 7
MSB
BIT 6
SCL
SDA
DATA LINE
STABLE
DATA
CHANGE
ALLOWED
BIT 5-1
I2C Read and Write Operations
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
Table 2. I2C Naming Conventions Used (continued)
CONDITION
CODE
TPS65810 register address sent from TPS65810, bus direction is from TPS65810 to host (READ)
hA1
Non-valid I2C slave address sent from host
hA_N
Valid TPS65810 register address sent from host
HCMD
Non-valid TPS65810 register address sent from host
HCMD_N
I/O data byte (8 bits) sent from host to TPS65810
hDATA
I/O data byte (8 bits) sent from TPS65810 to host
bqDATA
Acknowledge (ACK) from host
hA
Not acknowledge (NACK) from host
hN
Acknowledge (ACK) from TPS65810
bqA
Not acknowledge (NACK) from TPS65810
bqN
Figure 24. I2C operation waveforms
For normal data transfers, SDA is allowed to change only when SCL is low, and one clock pulse is used per bit
of data. The SDA line must remain stable whenever the SCL line is high, as SDA changes when SCL is high are
reserved for indicating the start and stop conditions. Each data transfer is initiated with a start condition and
terminated with a stop condition.
When addressed, the TPS65810 device generates an acknowledge bit after the reception of each byte by pulling
the SDA line Low. The master device (microprocessor) must generate an extra clock pulse that is associated
with the acknowledge bit. After the acknowledge/not acknowledge bit the TPS65810 leaves the data line high,
enabling a STOP condition generation.
The TPS65810 supports the standard I2C one byte Write. The basic I2C read protocol has the following steps:
Host sends a start and sets TPS65810 I2C slave address in write mode
TPS65810 ACK’s that this is a valid I2C address and that the bus is configured for write
Host sends TPS65810 register address
TPS65810 ACK’s that this is a valid register and stores the register address to be read
Host sends a repeated start and TPS65810 I2C slave address, reconfiguring the bus for read
TPS65810 ACK’s that this is a valid address and that bus is reconfigured
Bus is in read mode, TPS65810 starts sending data from selected register
The I2C write protocol is similar to the read, without the need for a repeated start and bus being set in write
mode. In a WRITE, it is not necessary to end each 1-byte WRITE command with a STOP; a START has the
same effect (repeated start).
28
Copyright 2006–2007, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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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