PCT2075DP/Q900J datasheet, PDF

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PCT2075DP/Q900J: DescriptionI2C-bus Fm, 1 degree C accuracy, digital temperature sensor and thermal watchdog; CategoryThe sensor; File Size2MB，37 Pages; ManufacturerNXP; Websitehttps://www.nxp.com; Environmental Compliance

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PCT2075DP/Q900J Overview

I2C-bus Fm, 1 degree C accuracy, digital temperature sensor and thermal watchdog

PCT2075DP/Q900J Parametric

Parameter Name	Attribute value
Brand Name	NXP Semiconduc
Is it Rohs certified?	conform to
Maker	NXP
Parts packaging code	TSSOP
package instruction	TSSOP-8
Contacts	8
Manufacturer packaging code	SOT505-1
Reach Compliance Code	compli
Maximum accuracy (Celsius)	2 Cel
body width	3 mm
body height	1.1 mm
Body length or diameter	3 mm
shell	PLASTIC
Installation features	SURFACE MOUNT
Number of digits	11
Number of terminals	8
Maximum working current	0.4 mA
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Output interface type	2-WIRE INTERFACE
Minimum output voltage	0.4 V
Package body material	PLASTIC/EPOXY
Encapsulate equivalent code	TSSOP8,.19
Package Shape/Form	SQUARE
Sensor/temperature sensor type	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage	5.5 V
Minimum supply voltage	2.7 V
surface mount	YES
Termination type	SOLDER

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PCT2075

C-bus Fm+, 1

C

accuracy, digital temperature sensor and

thermal watchdog

Rev. 10 — 20 November 2017

Product data sheet

1. General description

The PCT2075 is a temperature-to-digital converter featuring

1 C

accuracy over

25 C

to +100

C

range. It uses an on-chip band gap temperature sensor and Sigma-Delta

A-to-D conversion technique with an overtemperature detection output that is a drop-in

replacement for other LM75 series thermal sensors. The device contains a number of data

registers: Configuration register (Conf) to store the device settings such as device

operation mode, OS operation mode, OS polarity and OS fault queue; temperature

store programmable overtemperature shutdown and hysteresis limits, and programmable

temperature sensor sampling time Tidle, that can be communicated by a controller via the

2-wire serial I

C-bus Fast-mode Plus interface.

The PCT2075 also includes an open-drain output (OS) which becomes active when the

temperature exceeds the programmed limits. The OS output operates in either of two

selectable modes: OS comparator mode or OS 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 OS output is programmable as well as the set-point limits.

The PCT2075 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 an 11-bit two’s complement data, giving a

temperature resolution of 0.125

C.

This high temperature resolution is particularly useful

in applications of measuring precisely the thermal drift or runaway. When the device is

accessed the conversion in process is not interrupted (that is, the I

C-bus section is totally

independent of the Sigma-Delta converter section) and accessing the device continuously

without waiting at least one conversion time between communications will not prevent the

device from updating the Temp register with a new conversion result. The new conversion

result is available immediately after the Temp register is updated. It is also possible to

read just one of the temperature register bytes without lock-up.

The PCT2075 powers up in the normal operation mode with the OS in comparator mode,

temperature threshold of 80

C

and hysteresis of 75

C,

so that it can be used as a

stand-alone thermostat with those pre-defined temperature set points. The default

set points can be modified during manufacture and ordered under custom part number.

There are three selectable logic address pins with three logic states so that 27 8-pin

devices or three 6-pin devices can be connected on the same bus without address

conflict.

PCT2075DP/Q900J Related Products

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Description	I2C-bus Fm, 1 degree C accuracy, digital temperature sensor and thermal watchdog	I2C-bus Fm, 1 degree C accuracy, digital temperature sensor and thermal watchdog	I2C-bus Fm, 1 degree C accuracy, digital temperature sensor and thermal watchdog	I2C-bus Fm, 1 degree C accuracy, digital temperature sensor and thermal watchdog	IC SENSOR TEMP I2C/SMBUS 6TSOP	SENSOR TEMP I2C/SMBUS 8HWSON	Local temperature sensing: -55°C ~ 125°C Remote temperature sensing: - Sensor type: Digital, Local Resolution: 11 b Output type: I²C/SMBus digital temperature sensor, I2C interface, -25~100°C range error ± 1℃, resolution 0.125℃	Local temperature sensing: -55°C ~ 125°C Remote temperature sensing: - Sensor type: Digital, Local Resolution: 11 b Output type: I²C/SMBus high-precision digital temperature sensor, I2C interface, within the range of -25~100℃ Error ±1℃, resolution 0.125℃	Local temperature sensing: -55°C ~ 125°C Remote temperature sensing: - Sensor type: Digital, Local Resolution: 11 b Output type: I²C/SMBus digital temperature sensor, I2C interface, -25~100°C range error ± 1℃, resolution 0.125℃
Brand Name	NXP Semiconduc	-	-	-	-	NXP Semiconductor	NXP Semiconductor	NXP Semiconductor	NXP Semiconductor
Is it Rohs certified?	conform to	-	-	-	-	conform to	conform to	conform to	conform to
Parts packaging code	TSSOP	-	-	-	-	SON	TSSOP	SOIC	TSOP
package instruction	TSSOP-8	SOP-8	TSSOP-8	-	,	DILCC8,.07,20	TSSOP8,.19	SOP8,.24	TSOP6,.11,37
Contacts	8	-	-	-	-	8	8	8	6
Manufacturer packaging code	SOT505-1	-	-	-	-	SOT1069-2	SOT505-1	SOT96-1	SOT1353-1
Reach Compliance Code	compli	unknow	unknow	-	unknown	compliant	compliant	compliant	compliant
Maximum accuracy (Celsius)	2 Cel	2 Cel	2 Cel	-	-	2 Cel	2 Cel	2 Cel	2 Cel
body width	3 mm	3.9 mm	3 mm	-	-	2 mm	3 mm	3.9 mm	1.5 mm
body height	1.1 mm	1.75 mm	1.1 mm	-	-	0.8 mm	1.1 mm	1.75 mm	1.1 mm
Body length or diameter	3 mm	4.9 mm	3 mm	-	-	3 mm	3 mm	4.9 mm	2.9 mm
shell	PLASTIC	PLASTIC	PLASTIC	-	-	PLASTIC	PLASTIC	PLASTIC	PLASTIC
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	-	-	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT
Number of digits	11	11	11	-	-	11	11	11	11
Number of terminals	8	8	8	-	-	8	8	8	6
Maximum working current	0.4 mA	0.4 mA	0.4 mA	-	-	0.4 mA	0.4 mA	0.4 mA	0.4 mA
Maximum operating temperature	125 °C	125 °C	125 °C	-	-	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-55 °C	-55 °C	-55 °C	-	-	-55 °C	-55 °C	-55 °C	-55 °C
Output interface type	2-WIRE INTERFACE	2-WIRE INTERFACE	2-WIRE INTERFACE	-	-	2-WIRE INTERFACE	2-WIRE INTERFACE	2-WIRE INTERFACE	2-WIRE INTERFACE
Minimum output voltage	0.4 V	0.4 V	0.4 V	-	-	0.4 V	0.4 V	0.4 V	0.4 V
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
Encapsulate equivalent code	TSSOP8,.19	SOP8,.24	TSSOP8,.19	-	-	DILCC8,.07,20	TSSOP8,.19	SOP8,.24	TSOP6,.11,37
Package Shape/Form	SQUARE	RECTANGULAR	SQUARE	-	-	RECTANGULAR	SQUARE	RECTANGULAR	RECTANGULAR
Maximum supply voltage	5.5 V	5.5 V	5.5 V	-	-	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage	2.7 V	2.7 V	2.7 V	-	-	2.7 V	2.7 V	2.7 V	2.7 V
surface mount	YES	YES	YES	-	-	YES	YES	YES	YES
Termination type	SOLDER	SOLDER	SOLDER	-	-	SOLDER	SOLDER	SOLDER	SOLDER
Base Number Matches	-	-	-	-	1	1	1	1	1

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