Datasheet > P3T1755DP

P3T1755DP

更新时间： 2024-09-25 17:02:11

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
43页	548K
描述
I3C, I2C-bus interface, 0.5 °C accuracy, digital temperature sensor

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P3T1755DP 数据手册

P3T1755

I3C, I²C-bus interface, 0.5 °C accuracy, digital temperature

sensor

Rev. 1.1 — 4 January 2023

Product data sheet

1 General description

The P3T1755 is a temperature-to-digital converter from -40 °C to +125 °C range. It

uses an on-chip band gap temperature sensor and A-to-D conversion technique with

an overtemperature detection. The device contains a number of configuration and data

registers to store the device settings, such as device operation mode, and a temperature

controller via the 2-wire serial I3C (up to 12.5 MHz) and I²C (up to 3.4 MHz) interface.

The I²C interface supports up to 32 target addresses and an alert function which

becomes active when the temperature exceeds the programmed limits.

The I3C interface supports IBI (In Band Interrupt) where P3T1755 emits its address into

the arbitrated address header on the I3C bus to notify the controller of an interrupt. It

does not require an additional interrupt pin.

The P3T1755 can be configured for different operation conditions. It can be set in normal

mode to periodically monitor the ambient temperature, or in shut-down mode to minimize

power consumption. The temperature register always stores a 12-bit two's complement

data, giving a temperature resolution of 0.0625 °C.

The Alert output operates in either of two selectable modes: Alert comparator mode or

Alert interrupt mode. Its active state can be selected as either HIGH or LOW. The fault

queue that defines the number of consecutive faults in order to activate the Alert output is

programmable as well as the set-point limits.

2 Features and benefits

• I3C (up to 12.5 MHz) and I²C (up to 3.4 MHz) interface

– 32 I²C target addresses

– 32 I3C Provisional-ID

• Supply range: 1.4 V to 3.6 V

• Programmable overtemperature alerts

• Resolution: 12 bits (0.0625 °C)

• Accuracy:

– 1.4 V < V_CC< 3.6 V

– ±0.5 °C (maximum) from –20 °C to +85 °C

– ±1 °C (maximum) from -40 °C to +125 °C

• Low quiescent current: 4.1 μA supply current (typical)

• ESD protection exceeds 2000 V HBM per JS-001-2017 and 1000 V CDM per

JS-002-2018

• Package: TSSOP8

• P3T1755DP/Q900 for automotive

12 3 4 5 6 7...43

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