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參數(shù)資料
| 型號： | TPS65810RTQT |
| 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, GREEN, PLASTIC, QFN-56 |
| 文件頁數(shù)： | 66/99頁 |
| 文件大小： | 2128K |
| 代理商： | TPS65810RTQT |
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8 CHANNEL
MUX
CURRENT SAMPLE
ARITHMETICLOGIC
UNIT
ANLG1
ANLG2
TJ
TS
ISET1
RTC_OUT
OUT
BAT
10 BIT SUCCESSIVE
APROXIMATION ADC
SUPPLY
REF
ACCUMULATOR
TRIGGERCONTROL
AND
SYNCHRONIZATION
START
DONE
ADCREFERENCE
ANDSUPPLY
SELECTION
BIASCONTROL
ANLG 1/
ANLG 2 BIAS
SELECTION
ADCSUPPLY
AND
REFERENCE
SELECTION
OUT
ADC
CHANNEL
SELECTION
ADCCONFIGURATION :
TRIGGER, HOLDOFF, REPEAT
MODES
DELAY ANDWAIT TIMING
ALUMODE :
SINGLE ,
AVERAGE ,
MIN,, MAX
TOI2C:
STATUS AND
CONVERSION
DATA
ADC_REF
I2C
TPS65810
A 2
4.7 F
m
ADC Conversion Cycle
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
4. Arithmetic Logic Unit (ALU): The ALU performs mathematical operations on the ADC output data as
defined by the I2C ADC_READING registers. It executes average calculations or minimum /maximum
detection. The result of the calculations is stored in a 11 bit accumulator register (1 bit allocated for
carry-over). The accumulator value is transferred to the I2C data register at the end of a conversion cycle.
A simplified block diagram for the ADC is shown in Figure 47.
Figure 47. ADC Simplified Block Diagram
A conversion cycle includes all the steps required to successfully sample the selected input signal and transfer
the converted data to the I2C, generating an interrupt request to the host ( pin: HI
→LO). The number of individual
conversions (samples) in a conversion cycle is defined by the I2C ADC_SET register bits READ_MODE settings,
and can range from a single sample to 256 samples. The conversion cycle settings for the ALU is defined by
register ADC_READING and it can be set to average, maximum value detection, minimum value detection or no
processing (ADC engine output loaded in the accumulator directly).
The conversion cycle starts with the first sampling and ends when:
The required ALU operations are performed on the final sample, and
The ALU accumulator data is transferred to the I2C ADC_READING register, and
The register bit ADC_STATUS in the ADC_READING register is set to LO.
A conversion cycle is always started by the external host when the ADC_EN bit in the ADC_SET register is
toggled from LO to HI by a I2C write operation. Resetting the ADC_EN bit to LO before the current conversion
cycle ends (INT: LO
→ HI, ADC_STATUS bit set to LO) is not recommended, as the ADC keeps its current
configuration until the current conversion cycle ends.
At the end of a conversion cycle the output data is stored at registers in the ALU block. The ADC_STATUS bit is
set to LO ( DONE ) and an interrupt is generated (INT pin: HI
→LO ) if the ADC_STATUS bit is unmasked, at the
interrupt masking registers INT_MASK. It should be noted that the minimum, maximum and average values are
ALWAYS calculated by the ALU for each conversion cycle.
Copyright 2006–2007, Texas Instruments Incorporated
69
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| TPS65811RTQRG4 | 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 |
| TPS65811RTQT | 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 |
| TPS65811RTQTG4 | 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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