Overview
The TMP235AEDCKRQ1 is an automotive-grade precision CMOS integrated-circuit linear analog temperature sensor produced by Texas Instruments. This device is part of the TMP23x-Q1 family, designed to serve various automotive applications ranging from powertrain to infotainment. It offers high accuracy and reliability, making it a suitable choice for demanding automotive environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | –40°C to +150°C | °C |
| Supply Voltage Range | 2.3 V to 5.5 V | V |
| Typical Quiescent Current | 9 µA | µA |
| Temperature Accuracy | ±2.5°C (maximum): –40°C to +150°C | °C |
| Sensor Gain | 10 mV/°C | mV/°C |
| Offset Voltage at 0°C | 500 mV | mV |
| Output Load Capability | Up to 1000 pF | pF |
| Package Type | 5-pin SC70 (DCK) surface mount |
Key Features
- AEC-Q100 qualified for automotive applications
- Functional Safety-Capable with available documentation
- Tight accuracy across a wide temperature range: ±2.5°C (maximum) from –40°C to +150°C
- Positive slope sensor gain: 10 mV/°C, 500 mV at 0°C
- Wide operating supply voltage range: 2.3 V to 5.5 V
- Short-circuit protected output
- Low power consumption: 9 µA (typical)
- Strong output for driving loads up to 1000 pF
- Footprint compatible with industry-standard LMT8x-Q1, LM50-Q1, and LM20 temperature sensors
- Cost-effective alternative to thermistors
Applications
- Automotive head unit
- Electric power steering (EPS)
- Shifter system
- Battery management system (BMS)
- Gasoline engine
Q & A
- What is the operating temperature range of the TMP235AEDCKRQ1?
The operating temperature range is –40°C to +150°C.
- What is the supply voltage range for the TMP235AEDCKRQ1?
The supply voltage range is 2.3 V to 5.5 V.
- What is the typical quiescent current of the TMP235AEDCKRQ1?
The typical quiescent current is 9 µA.
- What is the temperature accuracy of the TMP235AEDCKRQ1?
The temperature accuracy is ±2.5°C (maximum) from –40°C to +150°C.
- What is the sensor gain of the TMP235AEDCKRQ1?
The sensor gain is 10 mV/°C.
- Is the TMP235AEDCKRQ1 short-circuit protected?
- What is the maximum output load capability of the TMP235AEDCKRQ1?
The maximum output load capability is up to 1000 pF.
- What package types are available for the TMP235AEDCKRQ1?
The TMP235AEDCKRQ1 is available in 5-pin SC70 (DCK) and 3-pin SOT-23 (DBZ) surface mount packages.
- Is the TMP235AEDCKRQ1 AEC-Q100 qualified?
- What are some common applications of the TMP235AEDCKRQ1?
