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參數(shù)資料
| 型號(hào)： | TMP512AIRSAT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC16 |
| 封裝： | GREEN, PLASTIC, QFN-16 |
| 文件頁(yè)數(shù)： | 7/61頁(yè) |
| 文件大?。?/td> | 1758K |
| 代理商： | TMP512AIRSAT |
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V
=
-
BE2
BE1
nkT
q
I
2
1
(
In
n =
eff
1.008
300
(300
N
)
-
ADJUST
N
300
ADJUST
-
=
300
1.008
n
eff
(
Power Register
Current Register
Two-Wire
Interface
Voltage Register
ADC
GND
GPIO
DXP1
DXN1
DXP2
DXN2
ADC
Low-Pass Filter
MUX
DXP3
DXN3
V
IN+
V
IN-
Current
Shunt
Load
Filter C
V+
Subregulator
3.3V
Internal
Diode
Temperature
Sensor
A0
ALERT
SDA
SCL
SMBus
Controller
3.3V Supply
TMP512
TMP513
SBOS491A
– JUNE 2010 – REVISED MAY 2011
n-FACTOR CORRECTION REGISTER
twos-complement format, yielding an effective data
range from
–128 to +127. The n-factor value may be
The TMP512/13 allow for a different n-factor value to
written to and read from pointer address 16h for
be
used
for
converting
remote
channel
remote channel 1, pointer address 17h for remote
measurements to temperature. The remote channel
channel 2, and pointer address 18h for remote
uses
sequential
current
excitation
to
extract
a
channel 3. The register power-on reset value is 00h,
differential VBE voltage measurement to determine
thus having no effect unless the register is written to.
the temperature of the remote transistor. Equation 1
describes this voltage and temperature.
BUS OVERVIEW
The device that initiates the transfer is called a
(1)
master, and the devices controlled by the master are
slaves. The bus must be controlled by a master
The value n in Equation 1 is a characteristic of the
device that generates the serial clock (SCL), controls
particular transistor used for the remote channel. The
the bus access, and generates START and STOP
power-on reset value for the TMP512/13 is n = 1.008.
conditions.
The value in the n-Factor Correction Register may be
used to adjust the effective n-factor according to
To address a specific device, the master initiates a
START condition by pulling the data signal line (SDA)
from a HIGH to a LOW logic level while SCL is HIGH.
All slaves on the bus shift in the slave address byte
(2)
on the rising edge of SCL, with the last bit indicating
whether a read or write operation is intended. During
the ninth clock pulse, the slave being addressed
(3)
responds
to
the
master
by
generating
an
The
n-factor
value
must
be
stored
in
Acknowledge and pulling SDA LOW.
Figure 23. Typical Application Circuit
Copyright
2010–2011, Texas Instruments Incorporated
15
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMP513 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Temperature and Power Supply System Monitors |
| TMP513AID | 功能描述:板上安裝溫度傳感器 All-In-One Thermal & Pwr Monitoring Sol RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| TMP513AIDR | 功能描述:板上安裝溫度傳感器 All-In-One Thermal & Pwr Monitoring Sol RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| TMP513AIRSAR | 功能描述:板上安裝溫度傳感器 All-In-One Thermal & Pwr Monitor Sol RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| TMP513AIRSAT | 功能描述:板上安裝溫度傳感器 All-In-One Thermal & Pwr Monitor Sol RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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