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ZXCT199QB1DW-7

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Diodes Incorporated Current Sense Amplifiers, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ZXCT199QB1DW-7

Diodes Incorporated · Current Sense Amplifiers · SOT-363

ZXCT199QB1DW-7 from Diodes Incorporated, in a SOT-363. 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 REF input Reference voltage analog input that sets the output level for zero differential input, settable from 0V to V+.
2 GND power_in Ground.
3 V+ power_in Power supply input, 2.7V to 26V.
4 IN+ input Analog input connected to the supply side of the shunt resistor, common-mode range -0.1V to 26V.
5 IN- input Analog input connected to the load side of the shunt resistor, common-mode range -0.1V to 26V.
6 OUT output Analog output voltage proportional to the load current, swinging GND - 0.3V to (V+) + 0.3V absolute maximum.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-363
Category Amplifiers/Comparators
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage (V+) V+ 26 V TA=+25°C 3
Differential input (IN+)-(IN-) -26 26 V Analog inputs IN+, IN- 3
Common mode input voltage (abs max) -0.3 26 V Analog inputs, GND referenced 3
REF input voltage -0.3 V GND - 0.3 to (V+) + 0.3 3
Output voltage -0.3 V GND - 0.3 to (V+) + 0.3 3
Input current into all pins 5 mA Note 5 3
ESD HBM 5 kV Human body model 3
ESD CDM 1.5 kV Charged-device model 3
Operating temperature (abs max) -40 125 °C 3
Storage temperature -65 150 °C 3
Junction-to-ambient thermal resistance RθJA 228 °C/W TA=+25°C, MRP FR-4 board 3
Junction-to-case thermal resistance RθJC 72 °C/W TA=+25°C, MRP FR-4 board 3
Common-mode input voltage (recommended) VCM -0.1 12 26 V 3
Operating supply voltage (recommended) VS 2.7 5 26 V Applied to V+ 3
Operating ambient temperature TA -40 125 °C 3
Common-mode input VCM -0.1 26 V TA=-40°C to +125°C 4
Common-mode rejection CMRR 90 120 dB ZXCT199QX1, VIN+=0V to 26V, VSENSE=0mV, TA=-40°C to +125°C 4
Offset voltage, RTI VOS -100 5 100 µV ZXCT199QB Version, VSENSE=0mV 4
VOS vs. temperature dVOS/dT 0.1 0.5 µV/°C TA=-40°C to +125°C 4
Long-term stability 270 µV Only for ZXCT199QX1, 1000 hours at TA=+125°C 4
Power supply rejection PSRR 0.1 µV/V VS=2.7V to 18V, VIN+=18V, VSENSE=0mV 4
Input bias current IB 28 µA VSENSE=0mV 4
Input offset current IOS 0.02 µA VSENSE=0mV 4
Gain G 50 V/V ZXCT199QX1 4
Gain error EG -1 0.03 1 % A and B Version, VSENSE=-5mV to 5mV, TA=-40°C to 125°C 4
Gain error vs. temperature 3 10 ppm/°C TA=-40°C to +125°C 4
Nonlinearity error 0.01 % VSENSE=-5mV to 5mV 4
Swing to V+ power-supply rail VOH 0.05 0.2 V RL=10kΩ to GND, TA=-40°C to +125°C; (V+) minus value 4
Swing to GND VOL 0.005 0.05 V RL=10kΩ to GND, TA=-40°C to +125°C; (VGND) plus value 4
Maximum capacitive load 1 nF No sustained oscillation 4
Bandwidth GBW 70 kHz CLOAD=10pF, ZXCT199QX1 4
Slew rate SR 0.5 V/µs 4
Voltage noise density 25 nV/√Hz 4
Operating voltage range VS 2.7 26 V TA=-40°C to +125°C 4
Operating voltage range VS 2.5 26 V -20°C to +85°C 4
Quiescent current IQ 65 100 µA VSENSE=0mV 4
Quiescent current over temperature IQ 115 µA TA=-40°C to +125°C 4
Specified temperature range -40 125 °C 4
Operating temperature range -40 125 °C 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin  Terminals: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208  Weight: 0.006 grams (Approximate) 16

CAD (KiCad official)

  • Symbol: ZXCT199QB1DW-7
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: zxct199qb1dw-7-etched.step / zxct199qb1dw-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); zxct199qb1dw-7.step / zxct199qb1dw-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (17 pp, sha256 85f97dc748ab99cf, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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