ZXCT1008FTA
Features
Manufacturer
Diodes Incorporated
Package
SOT-23
Overview
Part: ZXCT1008 (Diodes Incorporated)
Type: High-Side Current Monitor
Key Specs:
- Sense Voltage: Up to 500 mV
- Supply Range: 2.5 V to 20 V
- Quiescent Current: 4 µA
- Typical Accuracy: 1 %
- Operating Temperature: -40 to +85 °C
- Transconductance: 10,000 µA/V
- Bandwidth: 2 MHz
Features:
- Low Cost, Accurate High-Side Current Sensing
- -40 to +125°C Temperature Range
- Up to 500mV Sense Voltage
- 2.5V to 20V Supply Range
- 4μA Quiescent Current
- 1% Typical Accuracy
- SOT23
- Totally Lead-Free & Fully RoHS Compliant
- Halogen and Antimony Free. "Green" Device
- An Automotive-Compliant Part is Available Under Separate Data Sheet (ZXCT1008Q)
Applications:
- Automotive Current Measurement
- DC Motor and Solenoid Control
- Over Current Monitor
- Power Management
Package:
- SOT23: dimensions not specified
Features
- Low Cost, Accurate High-Side Current Sensing
- -40 to +125°C Temperature Range
- Up to 500mV Sense Voltage
- 2.5V to 20V Supply Range
- 4μA Quiescent Current
- 1% Typical Accuracy
- SOT23
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. "Green" Device (Note 3)
- An Automotive-Compliant Part is Available Under Separate Data Sheet (ZXCT1008Q)
Applications
- Automotive Current Measurement
- DC Motor and Solenoid Control
- Over Current Monitor
- Power Management
Pin Configuration
Application Circuit
- Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
- 2. See http://www.diodes.com/quality/lead\_free.html for more information about Diodes Incorporated's definitions of Halogen- and Antimony-free, "Green" and lead-free.
-
- Halogen- and Antimony-free "Green" products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.
Pin Descriptions
| Pin Name | Pin Function |
|---|---|
| VSENSE+ | Connection to Supply Voltage |
| VSENSE- | Connection to Load |
| IOUT | Output Current, Proportional to Measured Current |
Electrical Characteristics
| Symbol | Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| VIN | VCC Range | — | 2.5 | — | 20 | V |
| IOUT | Output Current (Note 5) | VSENSE = 0V VSENSE = 10mV VSENSE = 100mV VSENSE = 200mV VSENSE = 500mV | 1 90 0.975 1.95 4.8 | 4 104 1.0 2.0 5.0 | 15 120 1.025 2.05 5.2 | μA μA mA mA mA |
| VSENSE | Sense Voltage (Note 4) | — | 0 | — | 500 | mV |
| ISENSE- | VSENSE - Input Current | — | — | — | 100 | nA |
| ACC | Accuracy | RSENSE = 0.1Ω, VSENSE = 200mV | -2.5 | — | 2.5 | % |
| GM | Transconductance, IOUT/VSENSE | — | | 10,000 | — | μA/V |
| Bandwidth | VSENSE(DC) = 10mV, RF PIN = -40dBm (Note 6) | — | 300 | — | kHz | |
| BW | VSENSE(DC) = 100mV, RF PIN = -20dBm (Note 6) | | 2 | — | MHz |
Notes: 4. VSENSE is defined as the differential voltage between VSENSE+ and VSENSE-
VSENSE = VSENSE+ - VSENSE-
- = VIN VLOAD
- = ILOAD x RSENSE
-
- Includes input offset voltage contribution.
-
- -20dBm=63mVPP into 50Ω.
Absolute Maximum Ratings
| Description | Rating | Unit |
|---|---|---|
| Voltage on Any Pin (relative to IOUT) | -0.6 to 20 | V |
| Continous Output Current, IOUT | 25 | mA |
| Continuous Sense Voltage, VSENSE (Note 4) | -0.5 to 5 | V |
| Operating Temperature, TA | -40 to +85 | °C |
| Storage Temperature | -55 to +125 | °C |
| Package Power Dissipation @ TA = +25°C (Derate to Zero @ +125°C) | 450 | mW |
Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings for extended periods may reduce device reliability.
Electrical Characteristics (@TA = +25°C, VIN = 5V, ROUT = 100Ω, unless otherwise specified.)
| Symbol | Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| VIN | VCC Range | — | 2.5 | — | 20 | V |
| IOUT | Output Current (Note 5) | VSENSE = 0V VSENSE = 10mV VSENSE = 100mV VSENSE = 200mV VSENSE = 500mV | 1 90 0.975 1.95 4.8 | 4 104 1.0 2.0 5.0 | 15 120 1.025 2.05 5.2 | μA μA mA mA mA |
| VSENSE | Sense Voltage (Note 4) | — | 0 | — | 500 | mV |
| ISENSE- | VSENSE - Input Current | — | — | — | 100 | nA |
| ACC | Accuracy | RSENSE = 0.1Ω, VSENSE = 200mV | -2.5 | — | 2.5 | % |
| GM | Transconductance, IOUT/VSENSE | — | | 10,000 | — | μA/V |
| Bandwidth | VSENSE(DC) = 10mV, RF PIN = -40dBm (Note 6) | — | 300 | — | kHz | |
| BW | VSENSE(DC) = 100mV, RF PIN = -20dBm (Note 6) | | 2 | — | MHz |
Notes: 4. VSENSE is defined as the differential voltage between VSENSE+ and VSENSE-
VSENSE = VSENSE+ - VSENSE-
- = VIN VLOAD
- = ILOAD x RSENSE
-
- Includes input offset voltage contribution.
-
- -20dBm=63mVPP into 50Ω.
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| ZXCT1008 | Diodes Incorporated | — |
| ZXCT1008Q | Diodes Incorporated | — |
| ZXCT1008Q.PDF | Diodes Incorporated | — |
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