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Current Sensor IC NOVOSENSE NSM2012-30B5R-DSPR Hall Effect with Low On Resistance and High Isolation

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Current Sensor IC NOVOSENSE NSM2012-30B5R-DSPR Hall Effect with Low On Resistance and High Isolation

Description : SOIC-8 Current Sensors RoHS

Mfr. Part # : NSM2012-30B5R-DSPR

Model Number : NSM2012-30B5R-DSPR

Package : SOIC-8

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Product Overview

The NSM2012 is a high-accuracy, Hall-effect-based current sensor IC featuring a low on-resistance of 1.2m for reduced heat loss. It utilizes NOVOSENSE's innovative isolation technology and signal conditioning for high isolation levels, sensing current through an internal busbar. A differential Hall pair provides immunity to external stray magnetic fields. The NSM2012 supports both ratiometric and fixed output modes, with the fixed mode offering reduced sensitivity to common-mode variations like temperature through differential ADC sampling. Compared to shunt resistor and isolated op-amp solutions, it eliminates the need for a primary side power supply, simplifying layout and offering high isolation withstand voltage and lifetime stability. In high-side monitoring, it operates up to 600Vpk and withstands 6kV surge voltage without external protection. Integrated temperature compensation and factory calibration ensure accuracy across the working temperature range without secondary programming. Available in 3.3V/5V versions.

Product Attributes

Brand: NOVOSENSE
Certifications: UL62368/EN62368 safety certification, UL standards
Package: SOIC8

Technical Specifications

Parameter	NSM2012-30B3R-DSPR (3.3V)	NSM2012-30B5R-DSPR (5V)	NSM2012-10U5R-DSPR (5V)	NSM2012-20B5R-DSPR (5V)	Unit	Conditions
Bandwidth	400	kHz
Response Time	1.5	us
Isolation Voltage (VISO)	3000				Vrms	60s
Surge Isolation Voltage (VIOSM)	6				kV	1.2us/50us waveform
CMTI	>100	V/ns
Creepage/Clearance Distance	4	mm
Working Temperature	-40 to 125	C
Primary Internal Resistance	1.2	m			TA = 25
Supply Voltage (VCC)	3 to 3.6	4.5 to 5.5	4.5 to 5.5		V
Supply Current (ICC)	7.5 (Typ)	12 (Typ)	12 (Typ)		mA	No load, Vcc=3.3V / Vcc=5V
Power-on Time (Tpo)	1				ms
Output Capacitance Load (CL)	10				nF
Output Resistance Load (RL)	10				k
Output Short Current (Ishort)	25				mA	Short to VCC and GND, TA = 25
Rail to Rail Output Voltage (Vs)	0.1 to VCC-0.1				V	TA = 25, CL=1nF, RL=10K
Common Mode Field Rejection (CMFR)	>40				dB
Power Supply Rejection Ratio (PSRR)	-50				dB	DC to 1 kHz, 100 mV pk-pk ripple around VCC =5V, IP=0A (F version only)
Rise Time (Tr)	0.9				us	Vout=2.2V, TA = 25, CL=1nF, VCC=3.3V, 30AB, R version
Propagation Delay (Tpd)	0.9				us	Vout=2.2V, TA = 25, CL=1nF, VCC=3.3V, 30AB, R version

Applications

Solar system
Industrial power supply
Motor control
OBC/DCDC/PTC Heater
Charging pile

2504101957_NOVOSENSE-NSM2012-30B5R-DSPR_C5375600.pdf

Current Sensor IC NOVOSENSE NSM2012-30B5R-DSPR Hall Effect with Low On Resistance and High Isolation Images

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