TMP102 CBZ Digital Temperature Sensor on Goldshell KD6 Miner Hashboard

TMP102 CBZ Digital Temperature Sensor | 12-Bit I²C / SMBus Replacement for Goldshell KD6 Hashboard Temperature Monitoring

The TMP102 CBZ is a 12-bit digital temperature sensor in a SOT-563 6-pin package, used on the Goldshell KD6 hashboard for ASIC-level temperature monitoring. Reports temperature to the control board over I²C / SMBus / two-wire interface with ±0.5°C calibration-free accuracy — no external signal conditioning or thermistor calibration required. When this sensor fails, the control board loses one of its temperature inputs and the miner either throttles incorrectly or trips into emergency shutdown.

Headline numbers for hashboard duty: ±2.0°C accuracy max from -25°C to +85°C and ±3.0°C max from -40°C to +125°C covering the full miner thermal envelope. Wide supply range 1.4V to 3.6V at 10µA active / 1µA shutdown — negligible draw on the housekeeping rail. SMBus alert feature for interrupt-driven thermal events. NIST-traceable.

When to Replace the TMP102

• Goldshell KD6 throttling at low actual temperature — sensor reading high, false thermal event.
• Miner not throttling at high actual temperature — sensor reading low, dangerous — replace immediately before thermal damage.
• I²C bus error reported by control board — sensor stuck, not ACKing the bus address.
• Visible damage on the SOT-563 package after an over-voltage event on the I²C lines.
• Multiple temperature readings all out of spec — could be a board-level fault rather than the sensor; verify supply rail first.

TMP102 CBZ Specifications

FAQ — TMP102 Temperature Sensor

Q: How do I confirm the TMP102 is the failed part?
A: Scope the SDA and SCL lines while the control board polls the sensor. Healthy sensor ACKs the bus address and returns a temperature value matching ambient. Failed sensor doesn't ACK, returns 0x00 or 0xFFFF, or returns a static value that doesn't track ambient. Replace if the value doesn't change when you warm the package.

Q: I²C address conflicts on the bus?
A: TMP102 has a configurable I²C address based on the ADD0 pin. Match the original sensor's address configuration when replacing — if you wire ADD0 differently, the control board won't find the sensor and the miner will report a sensor missing fault.

Q: SOT-563 rework profile?
A: SOT-563 is small thermal mass — bottom-side preheat 100°C, top-side hot air 300°C with flux paste, brief reflow dwell. Match pin-1 orientation carefully — the 6-pin package is symmetrical-looking and easy to install reversed, which damages the sensor and the bus pull-ups.

Q: Bulk pricing for Goldshell repair benches?
A: Yes — email contact@lys-sz.com for reel-quantity TMP102 CBZ pricing.

Related products

• TMP451AIDQFR Temperature Sensor (T451) WSON-8
• Goldshell HS5 Control Board PCBA
• Goldshell KD5 / KD6 Control Board
• TMP36GT9Z TMP36GZ Analog Temperature Sensor TO-92

Goldshell KD6 repair benches stocking TMP102 CBZ sensors by the reel? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouse.