TMR7303-010D

TMR7303-010D MULTIDIMENSION | Alldatasheet

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Unibody, Miniture Current Sensor

Description

Features and Benefits Applications TMR7303-D/P1 is based on tunnel magnetoresistance (TMR) technology with high signal-to-noise ratio (SNR) and high sensitivity for measuring DC, AC, pulsed current and arbitrary waveform current with galvanic isolation and its internal temperature compensation circuitry provides excellent performance under different ambient temperature ranges. It is also a open loop current sensor with low power, miniature size, excellent frequency response.

• Tunneling magnetoresistance (TMR) technology
• Fast response time, high bandwidth (≥ 500 kHz)
• Low noise, low power consumption
• Excellent temperature stability
• RoHS & REACH Compliant, UL Certified
• Photovoltaic inverter
• Switching power supplies
• Inverter and variable frequency drives (VFD)
• DC motor drive
• Power supplies for welding application Insulation and Environmental Characteristics Parameters Symbol Typical Unit Supply Voltage (absolute maximum) VCC 7 V Dielectric Strength VD 4.3 kV(50Hz, 1min) Creepage Distance (PCB installation) dCP 8 mm Clearance (PCB installation) dCL 8 mm ESD Performance (HBM) VESD 4 kV Ambient Operating Temperature TA -40 to +105 °C Ambient Storage Temperature TSTG -40 to +105 °C Mass m 6.5 g Selection Guide Model Primary Nominal Current Primary Current Measuring Range TMR7303-010D/P1 10 A ±25 A TMR7303-016D/P1 16 A ±40 A TMR7303-020D/P1 20 A ±50 A TMR7303-032D/P1 32 A ±80 A TMR7303-040D/P1 40 A ±100 A TMR7303-050D/P1 50 A ±125 A TMR7303-080D/P1 80 A ±200 A TMR7303-120D/P1 120 A ±300 A Datasheet MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/ Version 1.5

Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

1. TMR7303-010D/P1 Specifications TA = 25 °C, VCC = 5 V, RL = 10 kΩ, unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit General Electrical Data Primary Nominal Current IPN TMR7303-010D/P1 - 10 - A Primary Current Measuring Range IPM TMR7303-010D/P1 -25 - 25 A Sensitivity S TMR7303-010D/P1 - 80 - mV/A Reference Voltage Output VREF TA = 25 °C 2.49 - 2.51 V TA = -40 °C to +105 °C 2.48 - 2.52 Output Voltage VOUT IP = 0 to ±IPM - VREF + 0.8 × IP/IPN - V Supply Voltage VCC ±5 % 4.75 5 5.25 V Current Consumption IC IP = 0 - 3.5 4 mA Power ON Time tPO VCC ≥ 2.5 V - 200 - μs Primary Conductor Input Resistance RIN TA = 25 °C - 0.1 - mΩ Output Impedance ROUT - - 2 5 Ω Load Resistance RL IP = 0 to ±IPN 1 10 - kΩ Static Performance Data Accuracy XG TA = 25 °C, IP = 0 to ±IPN - ±1 - % IPN TA = -40 °C to +105 °C, IP = 0 to ±IPN -4 ±3 4 Linearity Error εL IP = 0 to ±IPN - 0.3 0.5 % IPN IP = 0 to ±IPM - 0.5 0.8 % IPM Sensitivity Error εS TA = 25 °C, IP = 0 to ±IPN -1 - 1 TA = -40 °C to +105 °C, IP = 0 to ±IPN -1.5 - 1.5 Offset Error VOE TA = 25 °C, IP = 0, VOUT -VREF -5 - 5 mV TA = -40 °C ~ +105 °C, IP = 0, VOUT -VREF -25 ±15 25 Hysteresis VOH IP = ±IPM → 0 -5 - 5 mV Dynamic Performance Data Response Time tR di/dt > 100 A/μs, 90% of VOUT to 90% of IPN - 0.6 - μs Delay Time tD 500 kHz sine wave - 0.5 - μs Bandwidth BW -3 dB DC 500 - kHz Output Noise VN DC to 10 kHz DC to 100 kHz DC to 1 MHz - mVPP TMR7303-D/P1 Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

1. TMR7303-016D/P1 Specifications TA = 25 °C, VCC = 5 V, RL = 10 kΩ, unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit General Electrical Data Primary Nominal Current IPN TMR7303-016D/P1 - 16 - A Primary Current Measuring Range IPM TMR7303-016D/P1 -40 - 40 A Sensitivity S TMR7303-016D/P1 - 50 - mV/A Reference Voltage Output VREF TA = 25 °C 2.49 - 2.51 V TA = -40 °C to +105 °C 2.48 - 2.52 Output Voltage VOUT IP = 0 to ±IPM - VREF + 0.8 × IP/IPN - V Supply Voltage VCC ±5 % 4.75 5 5.25 V Current Consumption IC IP = 0 - 3.5 4 mA Power ON Time tPO VCC ≥ 2.5 V - 200 - μs Primary Conductor Input Resistance RIN TA = 25 °C - 0.1 - mΩ Output Impedance ROUT - - 2 5 Ω Load Resistance RL IP = 0 to ±IPN 1 10 - kΩ Static Performance Data Accuracy XG TA = 25 °C, IP = 0 to ±IPN - ±1 - % IPN TA = -40 °C to +105 °C, IP = 0 to ±IPN -3.5 ±2 3.5 Linearity Error εL IP = 0 to ±IPN - 0.3 0.5 % IPN IP = 0 to ±IPM - 0.5 0.8 % IPM Sensitivity Error εS TA = 25 °C, IP = 0 to ±IPN -1 - 1 TA = -40 °C to +105 °C, IP = 0 to ±IPN -1.5 - 1.5 Offset Error VOE TA = 25 °C, IP = 0, VOUT -VREF -5 - 5 mV TA = -40 °C ~ +105 °C, IP = 0, VOUT -VREF -20 ±12 20 Hysteresis VOH IP = ±IPM → 0 -5 - 5 mV Dynamic Performance Data Response Time tR di/dt > 100 A/μs, 90% of VOUT to 90% of IPN - 0.5 - μs Delay Time tD 500 kHz sine wave - 0.4 - μs Bandwidth BW -3 dB DC 600 - kHz Output Noise VN DC to 10 kHz DC to 100 kHz DC to 1 MHz - mVPP TMR7303-D/P1 Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

1. TMR7303-020D/P1 Specifications TA = 25 °C, VCC = 5 V, RL = 10 kΩ, unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit General Electrical Data Primary Nominal Current IPN TMR7303-020D/P1 - 20 - A Primary Current Measuring Range IPM TMR7303-020D/P1 -50 - 50 A Sensitivity S TMR7303-020D/P1 - 40 - mV/A Reference Voltage Output VREF TA = 25 °C 2.49 - 2.51 V TA = -40 °C to +105 °C 2.48 - 2.52 Output Voltage VOUT IP = 0 to ±IPM - VREF + 0.8 × IP/IPN - V Supply Voltage VCC ±5 % 4.75 5 5.25 V Current Consumption IC IP = 0 - 3.5 4 mA Power ON Time tPO VCC ≥ 2.5 V - 200 - μs Primary Conductor Input Resistance RIN TA = 25 °C - 0.1 - mΩ Output Impedance ROUT - - 2 5 Ω Load Resistance RL IP = 0 to ±IPN 1 10 - kΩ Static Performance Data Accuracy XG TA = 25 °C, IP = 0 to ±IPN - ±1 - % IPN TA = -40 °C to +105 °C, IP = 0 to ±IPN -3.5 ±2 3.5 Linearity Error εL IP = 0 to ±IPN - 0.3 0.5 % IPN IP = 0 to ±IPM - 0.5 1 % IPM Sensitivity Error εS TA = 25 °C, IP = 0 to ±IPN -1 - 1 TA = -40 °C to +105 °C, IP = 0 to ±IPN -1.5 - 1.5 Offset Error VOE TA = 25 °C, IP = 0, VOUT -VREF -5 - 5 mV TA = -40 °C ~ +105 °C, IP = 0, VOUT -VREF -20 ±12 20 Hysteresis VOH IP = ±IPM → 0 -5 - 5 mV Dynamic Performance Data Response Time tR di/dt > 100 A/μs, 90% of VOUT to 90% of IPN - 0.5 - μs Delay Time tD 500 kHz sine wave - 0.4 - μs Bandwidth BW -3 dB DC 600 - kHz Output Noise VN DC to 10 kHz DC to 100 kHz DC to 1 MHz - mVPP TMR7303-D/P1 Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

1. TMR7303-032D/P1 Specifications TA = 25 °C, VCC = 5 V, RL = 10 kΩ, unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit General Electrical Data Primary Nominal Current IPN TMR7303-032D/P1 - 32 - A Primary Current Measuring Range IPM TMR7303-032D/P1 -80 - 80 A Sensitivity S TMR7303-032D/P1 - 25 - mV/A Reference Voltage Output VREF TA = 25 °C 2.49 - 2.51 V TA = -40 °C to +105 °C 2.48 - 2.52 Output Voltage VOUT IP = 0 to ±IPM - VREF + 0.8 × IP/IPN - V Supply Voltage VCC ±5 % 4.75 5 5.25 V Current Consumption IC IP = 0 - 3.5 4 mA Power ON Time tPO VCC ≥ 2.5 V - 200 - μs Primary Conductor Input Resistance RIN TA = 25 °C - 0.1 - mΩ Output Impedance ROUT - - 2 5 Ω Load Resistance RL IP = 0 to ±IPN 1 10 - kΩ Static Performance Data Accuracy XG TA = 25 °C, IP = 0 to ±IPN - ±1 - % IPN TA = -40 °C to +105 °C, IP = 0 to ±IPN -3 ±2 3 Linearity Error εL IP = 0 to ±IPN - 0.5 1 % IPN IP = 0 to ±IPM - 1 1.5 % IPM Sensitivity Error εS TA = 25 °C, IP = 0 to ±IPN -1 - 1 TA = -40 °C to +105 °C, IP = 0 to ±IPN -1.5 - 1.5 Offset Error VOE TA = 25 °C, IP = 0, VOUT -VREF -5 - 5 mV TA = -40 °C ~ +105 °C, IP = 0, VOUT -VREF -20 ±12 20 Hysteresis VOH IP = ±IPM → 0 -5 - 5 mV Dynamic Performance Data Response Time tR di/dt > 100 A/μs, 90% of VOUT to 90% of IPN - 0.5 - μs Delay Time tD 500 kHz sine wave - 0.3 - μs Bandwidth BW -3 dB DC 600 - kHz Output Noise VN DC to 10 kHz DC to 100 kHz DC to 1 MHz - mVPP TMR7303-D/P1 Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

1. TMR7303-040D/P1 Specifications TA = 25 °C, VCC = 5 V, RL = 10 kΩ, unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit General Electrical Data Primary Nominal Current IPN TMR7303-040D/P1 - 40 - A Primary Current Measuring Range IPM TMR7303-040D/P1 -100 - 100 A Sensitivity S TMR7303-040D/P1 - 20 - mV/A Reference Voltage Output VREF TA = 25 °C 2.49 - 2.51 V TA = -40 °C to +105 °C 2.48 - 2.52 Output Voltage VOUT IP = 0 to ±IPM - VREF + 0.8 × IP/IPN - V Supply Voltage VCC ±5 % 4.75 5 5.25 V Current Consumption IC IP = 0 - 3.5 4 mA Power ON Time tPO VCC ≥ 2.5 V - 200 - μs Primary Conductor Input Resistance RIN TA = 25 °C - 0.1 - mΩ Output Impedance ROUT - - 2 5 Ω Load Resistance RL IP = 0 to ±IPN 1 10 - kΩ Static Performance Data Accuracy XG TA = 25 °C, IP = 0 to ±IPN - ±1 - % IPN TA = -40 °C to +105 °C, IP = 0 to ±IPN -3 ±2 3 Linearity Error εL IP = 0 to ±IPN - 0.5 1 % IPN IP = 0 to ±IPM - 1 1.5 % IPM Sensitivity Error εS TA = 25 °C, IP = 0 to ±IPN -1 - 1 TA = -40 °C to +105 °C, IP = 0 to ±IPN -1.5 - 1.5 Offset Error VOE TA = 25 °C, IP = 0, VOUT -VREF -5 - 5 mV TA = -40 °C ~ +105 °C, IP = 0, VOUT -VREF -20 ±12 20 Hysteresis VOH IP = ±IPM → 0 -5 - 5 mV Dynamic Performance Data Response Time tR di/dt > 100 A/μs, 90% of VOUT to 90% of IPN - 0.5 - μs Delay Time tD 500 kHz sine wave - 0.3 - μs Bandwidth BW -3 dB DC 600 - kHz Output Noise VN DC to 10 kHz DC to 100 kHz DC to 1 MHz - mVPP TMR7303-D/P1 Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

1. TMR7303-050D/P1 Specifications TA = 25 °C, VCC = 5 V, RL = 10 kΩ, unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit General Electrical Data Primary Nominal Current IPN TMR7303-050D/P1 - 50 - A Primary Current Measuring Range IPM TMR7303-050D/P1 -125 - 125 A Sensitivity S TMR7303-050D/P1 - 16 - mV/A Reference Voltage Output VREF TA = 25 °C 2.49 - 2.51 V TA = -40 °C to +105 °C 2.48 - 2.52 Output Voltage VOUT IP = 0 to ±IPM - VREF + 0.8 × IP/IPN - V Supply Voltage VCC ±5 % 4.75 5 5.25 V Current Consumption IC IP = 0 - 3.5 4 mA Power ON Time tPO VCC ≥ 2.5 V - 200 - μs Primary Conductor Input Resistance RIN TA = 25 °C - 0.1 - mΩ Output Impedance ROUT - - 2 5 Ω Load Resistance RL IP = 0 to ±IPN 1 10 - kΩ Static Performance Data Accuracy XG TA = 25 °C, IP = 0 to ±IPN - ±1 - % IPN TA = -40 °C to +105 °C, IP = 0 to ±IPN -3 ±2 3 Linearity Error εL IP = 0 to ±IPN - 0.5 1 % IPN IP = 0 to ±IPM - 1 1.5 % IPM Sensitivity Error εS TA = 25 °C, IP = 0 to ±IPN -1 - 1 TA = -40 °C to +105 °C, IP = 0 to ±IPN -1.5 - 1.5 Offset Error VOE TA = 25 °C, IP = 0, VOUT -VREF -5 - 5 mV TA = -40 °C ~ +105 °C, IP = 0, VOUT -VREF -20 ±12 20 Hysteresis VOH IP = ±IPM → 0 -5 - 5 mV Dynamic Performance Data Response Time tR di/dt > 100 A/μs, 90% of VOUT to 90% of IPN - 0.5 - μs Delay Time tD 500 kHz sine wave - 0.3 - μs Bandwidth BW -3 dB DC 600 - kHz Output Noise VN DC to 10 kHz DC to 100 kHz DC to 1 MHz - mVPP TMR7303-D/P1 Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

1. TMR7303-080D/P1 Specifications TA = 25 °C, VCC = 5 V, RL = 10 kΩ, unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit General Electrical Data Primary Nominal Current IPN TMR7303-080D/P1 - 80 - A Primary Current Measuring Range IPM TMR7303-080D/P1 -200 - 200 A Sensitivity S TMR7303-080D/P1 - 10 - mV/A Reference Voltage Output VREF TA = 25 °C 2.49 - 2.51 V TA = -40 °C to +105 °C 2.48 - 2.52 Output Voltage VOUT IP = 0 to ±IPM - VREF + 0.8 × IP/IPN - V Supply Voltage VCC ±5 % 4.75 5 5.25 V Current Consumption IC IP = 0 - 3.5 4 mA Power ON Time tPO VCC ≥ 2.5 V - 200 - μs Primary Conductor Input Resistance RIN TA = 25 °C - 0.1 - mΩ Output Impedance ROUT - - 2 5 Ω Load Resistance RL IP = 0 to ±IPN 1 10 - kΩ Static Performance Data Accuracy XG TA = 25 °C, IP = 0 to ±IPN - ±1 - % IPN TA = -40 °C to +105 °C, IP = 0 to ±IPN -3 ±2 3 Linearity Error εL IP = 0 to ±IPN - 0.5 1 % IPN IP = 0 to ±IPM - 1 1.5 % IPM Sensitivity Error εS TA = 25 °C, IP = 0 to ±IPN -1 - 1 TA = -40 °C to +105 °C, IP = 0 to ±IPN -1.5 - 1.5 Offset Error VOE TA = 25 °C, IP = 0, VOUT -VREF -5 - 5 mV TA = -40 °C ~ +105 °C, IP = 0, VOUT -VREF -20 ±15 20 Hysteresis VOH IP = ±IPM → 0 -6 - 6 mV Dynamic Performance Data Response Time tR di/dt > 100 A/μs, 90% of VOUT to 90% of IPN - 0.5 - μs Delay Time tD 500 kHz sine wave - 0.3 - μs Bandwidth BW -3 dB DC 600 - kHz Output Noise VN DC to 10 kHz DC to 100 kHz DC to 1 MHz - mVPP TMR7303-D/P1 Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

1. TMR7303-120D/P1 Specifications TA = 25 °C, VCC = 5 V, RL = 10 kΩ, unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit General Electrical Data Primary Nominal Current IPN TMR7303-120D/P1 - 120 - A Primary Current Measuring Range IPM TMR7303-120D/P1 -300 - 300 A Sensitivity S TMR7303-120D/P1 - 6.667 - mV/A Reference Voltage Output VREF TA = 25 °C 2.49 - 2.51 V TA = -40 °C to +105 °C 2.48 - 2.52 Output Voltage VOUT IP = 0 to ±IPM - VREF + 0.8 × IP/IPN - V Supply Voltage VCC ±5 % 4.75 5 5.25 V Current Consumption IC IP = 0 - 3.5 4 mA Power ON Time tPO VCC ≥ 2.5 V - 200 - μs Primary Conductor Input Resistance RIN TA = 25 °C - 0.1 - mΩ Output Impedance ROUT - - 2 5 Ω Load Resistance RL IP = 0 to ±IPN 1 10 - kΩ Static Performance Data Accuracy XG TA = 25 °C, IP = 0 to ±IPN - ±1 - % IPN TA = -40 °C to +105 °C, IP = 0 to ±IPN -3 ±2 3 Linearity Error εL IP = 0 to ±IPN - 0.5 1 % IPN IP = 0 to ±IPM - 1 1.5 % IPM Sensitivity Error εS TA = 25 °C, IP = 0 to ±IPN -1 - 1 TA = -40 °C to +105 °C, IP = 0 to ±IPN -1.5 - 1.5 Offset Error VOE TA = 25 °C, IP = 0, VOUT -VREF -5 - 5 mV TA = -40 °C ~ +105 °C, IP = 0, VOUT -VREF -20 ±15 20 Hysteresis VOH IP = ±IPM → 0 -8 - 8 mV Dynamic Performance Data Response Time tR di/dt > 100 A/μs, 90% of VOUT to 90% of IPN - 0.75 - μs Delay Time tD 500 kHz sine wave - 0.5 - μs Bandwidth BW -3 dB DC 300 - kHz Output Noise VN DC to 10 kHz DC to 100 kHz DC to 1 MHz - mVPP TMR7303-D/P1 Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

1) Accuracy XG = MAX Ip ∈ [-IPN, IPN] VOUT - (IP×S+VREF) IPN×S ×100% IP stands for primary current, IPN stands for nominal primary current, VOUT stands for current sensor output voltage at given primary current, S stands for sensitivity, VREF stands for reference voltage output. 2) Sensitivity S = VOUT(@ IPN) - VOUT(@ -IPN) 2 × IPN VOUT@ IPN and VOUT@-IPN stand for the voltage output at IPN, -IPN respectively. 3) Linearity εL = MAX Ip ∈ [-IPN, IPN] VOUT - IP×S + VREF IPN×S ×100% S, VREF stand for the average values of the sensitivity and reference voltage output. 4) Offset Error VOE = VOUT(@IP = 0) - VREF 5) Hysteresis VOH = MAX ∆H ∆H is the maximum residual voltage between full scale positive and negative nominal current. 11. Parameters Definition and Formula TMR7303-D/P1 Unibody, Miniture Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/

Figure 8. Dimension (unit: mm, tolerances for unmarked scales ±1 mm)

1. Pin Configuration and Wiring Diagram

Figure 9. Pin configuration and wiring Diagram

1 VREF Reference voltage output

2 VOUT Voltage output

3 GND Ground

4 VCC Power supply

MultiDimension Technology Co., Ltd.

1. Wave Soldering Profile: Maximum Temperature 260 °C for 10 s.
2. VOUT is positive when the primary current (IP) is in the same direction as the arrow indication on the label
3. Improper connection may result in permanent damage of the sensor.
4. Bandwidth can be adjusted by adding low pass filter (LPF) between VOUT and GND.
5. The current sensor must be disconnected from the power supply during installation. No other devices are

allowed in the projection area under the sensor.

1. Sensor is customizable upon request.

Figure 10. PCB layout MultiDimension Technology Co., Ltd.

1. Wave Soldering Temperature Curve

Figure 11. Wave soldering temperature curve MultiDimension Technology Co., Ltd.

Figure 12. Packaging information MultiDimension Technology Co., Ltd.

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