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TMP235AEDBZTQ1

Automotive Grade ±1.5°C 2.3V to 5.5V analog output temperature sensor with +10 mV/°C gain

Manufacturer: Texas Instruments, Inc
Mfr.Part #: TMP235AEDBZTQ1
Datasheet: TMP235AEDBZTQ1 Datasheet (PDF)
Package/Case: SOT23-3
Product Type: Sensors, Transducers
RoHS:
Lifecycle: Active

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TMP235AEDBZTQ1 General Description

The TMP23x -Q1 devices are a family of automotive grade precision CMOS integrated-circuit linear analog temperature sensors with an output voltage proportional to temperature , serving various automotive applications from powertrain to infotainment. These temperature sensors have a typical accuracy from 0°C to +70°C of ±0.5°C. The TMP235 -Q1 device provides a positive slope output of 10 mV/°C over the full –40°C to +150°C temperature range and a supply range from 2.3 V to 5.5 V. The higher gain TMP236 -Q1 sensor provides a positive slope output of 19.5 mV/°C from –10°C to +125°C and a supply range from 3.1 V to 5.5 V.

The 9-µA typical quiescent current and 800-µs typical power-on time enable effective power-cycling architectures to minimize power consumption for battery-powered devices. A class-AB output driver provides a strong 500-µA maximum output to drive capacitive loads up to 1000 pF and is designed to directly interface to analog-to-digital converter sample and hold inputs. With excellent accuracy and a strong linear output driver, the TMP23x -Q1 analog output temperature sensors are cost-effective alternatives to passive thermistors.

Key Features

AEC-Q100 qualified for automotive applications
- TMP235-Q1 grade 0: –40°C to +150°C
- TMP236-Q1 grade 1: –40°C to +125°C
Functional Safety-Capable
- Documentation available to aid functional safety system design
Tight accuracy across a wide temperature range:
- ±2.5°C (maximum): –40°C to +150°C (TMP235 -Q1)
- ±2.5°C (maximum): –10°C to +125°C (TMP236 -Q1)
Positive slope sensor gain, offset (typical):
- 10 mV/°C, 500 mV at 0°C (TMP235 -Q1)
- 19.5 mV/°C, 400 mV at 0°C (TMP236 -Q1)
Wide operating supply voltage range:
- 2.3 V to 5.5 V (TMP235 -Q1)
- 3.1 V to 5.5 V (TMP236 -Q1)
Short-circuit protected output
Low power: 9 µA (typical)
Strong output for driving loads up to 1000 pF
Available package options:
- 5-pin SC70 (DCK) surface mount
- 3-pin SOT-23 (DBZ) surface mount
- Footprint compatible with industry-standard LMT8x-Q1, LM50-Q1, and LM20 temperature sensors
Cost-effective alternative to thermistors

Specifications

Category	Sensors, TransducersTemperature SensorsAnalog and Digital Output	Mfr	Texas Instruments
Series	Automotive, AEC-Q100	Package	Tape & Reel (TR)Cut Tape (CT)Digi-Reel®
Product Status	Active	Sensor Type	Analog, Local
Sensing Temperature - Local	-40°C ~ 150°C	Sensing Temperature - Remote	-
Output Type	Analog Voltage	Voltage - Supply	2.3V ~ 5.5V
Resolution	10mV/°C	Features	-
Accuracy - Highest (Lowest)	±2.5°C	Test Condition	-40°C ~ 150°C
Operating Temperature	-40°C ~ 150°C (TA)	Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3	Supplier Device Package	SOT-23-3
Base Product Number	TMP235	Local sensor accuracy (max)	1.5
Operating temperature range (°C)	-40 to 125, -40 to 150	Supply voltage (min) (V)	2.3
Supply voltage (max) (V)	5.5	Supply current (max) (µA)	12
Interface type	Analog output	Sensor gain (mV/°C)	10
Rating	Automotive	TI functional safety category	Functional Safety-Capable
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	3	feature-supplier-package	SOT-23
feature-standard-package-name	SOT	feature-cecc-qualified
feature-esd-protection		feature-military	No
feature-aec-qualified	Yes	feature-aec-qualified-number	AEC-Q100
feature-eccn-code	EAR99	feature-svhc	No
feature-svhc-exceeds-threshold	No

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E**h 03/26/2024

In the screwdriver for 5 batteries, the board works, but the charger (after charging) does not light up the bulb talking earlier about the end of charging.

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