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ZXCT1085E5TA

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Diodes Incorporated Current Sense Amplifiers, SOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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ZXCT1085E5TA

Diodes Incorporated · Current Sense Amplifiers · SOT-25

ZXCT1085E5TA from Diodes Incorporated, in a SOT-25. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 OUT output Voltage output pin for the fixed-gain ZXCT1085 variant, with VOUT = 25 x VSENSE and an output voltage range of 0 to VS- - 1 V.
2 GND power_in Ground pin of the device.
3 S+ input Positive input of the current monitor with a recommended common-mode input range of 2.7 V to 40 V for the ZXCT1085, to be connected directly to the input side (VSUPPLY) of the sense resistor.
4 S- input Negative input of the current monitor with a wide common-mode input range, to be connected directly to the load side (VLOAD) of the sense resistor.
5 VCC power_in Analogue supply pin that powers the internal circuitry, with a supply voltage range of 2.7 V to 40 V for the ZXCT1085.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-25
Category Amplifiers/Comparators
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Voltage on S- and S+ (ZXCT1085) VS+, VS- -0.3 45 V ZXCT1083/1085/1087 rating 2
Voltage on VCC (ZXCT1085) VCC -0.3 45 V ZXCT1083/1085/1087 rating 2
Voltage on OUT VOUT -0.3 V Printed as -0.3 to VS- 2
Differential Input Voltage VS+ - VS- -800 800 mV Printed as ±800 mV; see note (†) on input current limit 2
Input current into S+ or S- IS+, IS- -12 12 mA Printed as ±12 mA 2
Storage Temperature TSTG -55 150 °C 2
Maximum Junction Temperature TJ 150 °C 2
Package Power Dissipation PD 300 mW TA = 25°C (de-rate to zero at 150°C) 2
ESD Rating Human Body Model ESD HBM 2 kV Human Body Model 2
ESD Rating Machine Model ESD MM 200 V Machine Model 2
Common-Mode Input Range (ZXCT1083/1085/1087) VIN 2.7 40 V ZXCT1083/1085/1087 2
Supply Voltage Range (ZXCT1083/1085/1087) VCC 2.7 40 V ZXCT1083/1085/1087 2
Differential Sense Input Voltage Range VSENSE 0 0.5 V 2
Ambient Temperature Range TA -40 125 °C 2
Output Voltage Range VOUT 0 V Printed max as VS- -1 2
Input offset voltage VIO -1 0.2 1 mV VSENSE = 0mV, TA = 25°C; typ printed as ±0.2 3
Input offset voltage over temperature VIO -2.5 2.5 mV ZXCT1082/3/4/5, TA = FT 3
Input offset voltage temperature co-efficient VIO -4 4 µV/K Printed as ±4 3
S+ input current IS+ 1.7 5 µA VSENSE = 0mV (Note 1); max at TA = FT 3
S- input current IS- 1.7 5 µA VSENSE = 0mV; max at TA = FT 3
Gain error GV-ERR -1 1 % (Note 4) 3
Gain error over temperature GV-ERR -2 2 % TA = FT 3
VCC Supply current ICC 0.6 2 µA VSENSE = 0V; max at TA = FT 4
VCC Supply rejection ratio (ZXCT1083/5) PSRR 80 100 dB VSENSE = 60mV; VCC = 2.7V to 40V 4
VCC Supply rejection ratio over temperature (ZXCT1083/5) PSRR 75 dB TA = FT; VSENSE = 60mV; VCC = 2.7V to 40V 4
Common-mode sense rejection ratio (ZXCT1083/5) CMRR 80 100 dB VSENSE = 60mV; VS+ = 2.7V to 40V 4
Common-mode sense rejection ratio over temperature (ZXCT1083/5) CMRR 80 dB TA = FT; VSENSE = 60mV; VS+ = 2.7V to 40V 4
Gain (ZXCT1084/5) GV 25 V/V VSENSE = 10mV to 150mV (Note 1) 3

CAD (KiCad official)

  • Symbol: ZXCT1085E5TA
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-25 (KiCad packages3D, STEP)
  • 3D model files: zxct1085e5ta-etched.step / zxct1085e5ta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); zxct1085e5ta.step / zxct1085e5ta.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (13 pp, sha256 8f530f6ea2fd9f55, retrieved 2026-10-20, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF