The TS_TEMP_DET_X8 is a hysteresis detector that asserts output OVERTJ once junction temperature exceeds 147.2°C and subsequently…
The TS_TEMP_DET_X8 is a hysteresis detector that asserts output OVERTJ once junction temperature exceeds 147.2°C and subsequently stays above 138.2°C. Its thermometer provides a voltage on output CENTIGRADE that varies from about 100mV at 10°C with a typical slope of +8.99mV/°C up to 150°C.
The detector and its thermometer operate with one supply voltage V5V, ranging from 3.2V up to 5.5V, with one precision reference voltage VBG (1.247V) and two bias current sinks I10UA<1:0> at 9.5µA typically each.
OVERTJ logic-H voltage level is defined by V5V. Both OVERTJ and CENTIGRADE accept MOSFET gate capacitor load only, such as CMOS buffer input respectively PMOS differential-pair input. For applications with direct access to package input and output pins, some ESD protection must be inserted in the form of resistor/snapback-MOSFET pi-networks.
The minimum continuous operation lifetime spans 100000 hours.
Technology: X-FAB XT018-0.18µm BCD-on-SOI CMOS
Over-temperature Detector Operating Conditions
| Parameters | Values / Type |
| Junction temperature range | -40ºC up to +150ºC |
| Supply voltage with respect to ground GNDSQ | V5V: 3.2V up to 5.5V |
| Reference voltage at 27°C junction temperature | VBG: 1.247V (±8.5mV) |
| Reference voltage maximum deviation up to 150°C | ΔVBG: -1.2mV (±3.5mV) |
| PTAT reference sink current intensity at 27°C junction temperature | I(I10UA): 9.5µA (+0.6µA) (-1.3µA) |
| OVERTJ and CENTIGRADE output loads | CMOS respectively PMOS gate |
Over-temperature Detector Specifications
| Parameters | Values |
| OVERTJ logic-H voltage | V5V voltage |
| Detector low-going temperature threshold (OVERTJ toggles to logic-L as junction temperature falls) | 138.2°C ± 5.3°C (± 3 sigma) |
| Detector hysteresis (high-going low-going temperature threshold difference) | 9°C ± 1.5°C (± 3 sigma) |
| CENTIGRADE output voltage at 10°C junction temperature | 99.5mV typical |
| CENTIGRADE output voltage slope up to 150°C | +8.99mV/°C typical |
| Operating power consumption | 3.1mW max |
| Area | 0.028mm² |
| Foundry | Node | Process | Maturity |
|---|---|---|---|
| X-FAB | 180nm | XT018 | Available on request |
Note: some files may require an NDA depending on provider policy.
Junction Over-Temperature Detector with Linear Centigrade-to-Voltage Output - X-FAB XT018 is a Temperature Sensor IP core from TES Electronic Solutions listed on Semi IP Hub. It is listed with support for x-fab Available on request.
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