Texas Instruments TPS3803G15QDCKRQ1
- Part Number:
- TPS3803G15QDCKRQ1
- Manufacturer:
- Texas Instruments
- Ventron No:
- 3841770-TPS3803G15QDCKRQ1
- Description:
- Automotive, single-channel voltage detectors
- Datasheet:
- tps3803-q1
- Number of supplies monitored1
- Threshold voltage 1 (typ) (V)1.4
- FeaturesEase-of-use
- Iq (typ) (mA)0.003
- Output driver type/reset outputActive-low
- Time delay (ms)0
- Supply voltage (min) (V)1.3
- Supply voltage (max) (V)6
- RatingAutomotive
- Watchdog timer WDI (s)None
- Monitored voltage 1 (nom) (V)1.5
- Operating temperature range (°C)-40 to 125
The TPS3803-Q1 and TPS3805-Q1 families of supervisory circuits provide circuit initialization and timing supervision, primarily for DSPs and processor-based systems.
The TPS3803G15-Q1 device has a fixed-sense threshold voltage VIT set by an internal voltage divider, whereas the TPS3803-01-Q1 has an adjustable SENSE input that can be configured by two external resistors. In addition to the fixed sense threshold monitored at VDD, the TPS3805-Q1 devices provide a second adjustable SENSE input. RESET is asserted in case either of the two voltages drops below VIT.
During power on, RESET is asserted when supply voltage VDD becomes higher than 0.8 V. Thereafter, the supervisory circuit monitors VDD (and/or SENSE) and keeps RESET active as long as VDD or SENSE remains below the threshold voltage VIT. As soon as VDD (SENSE) rises above the threshold voltage VIT, RESET is deasserted again. The product spectrum is designed for 1.5-V, 3.3-V, and adjustable supply voltages.
The devices are available in a 5-pin SC-70 package. The TPS3803-Q1 and TPS3805-Q1 devices are characterized for operation over a temperature range of 40°C to 125°C.
ROHS3Compliant Cut Tape (CT) TPS3803G15 Simple Reset/Power-On Reset supervisor 1.5V 2mm 5mus Typical Propagation Delay 321mW
Voltage Detector / Microprocessor Supervisor IC; Supply Voltage Min:1.3V; Package/Case:5-SOT; No. of Pins:5; Operating Temperature Range:-40°C to 125°C; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No ;RoHS Compliant: No
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