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INA228AIDGS, in 3D

INA228AIDGS

Texas Instruments

-300mV~85V -40℃~+125℃ 0.01uV/℃ 10mA 154dB 1uV 2.5nA 2.7V~5.5V 640uA High-side detection、Low-side detection、Bidirectional detection、Input filter、Power monitoring、Programmable threshold alarm、Integrated ADC、Enable/shutdown function ±163.84mV VSSOP-10-0.5mm Current Sense Amplifiers ROHS

Extended
DatasheetJLCPCBLCSCti/INA228AIDGS
Category
Current Sense Amplifiers
Package
VSSOP-10-0.5mm
Pins
10

Overview

The INA228AIDGS is a current Sense Amplifier made by Texas Instruments in a VSSOP-10-0.5mm package with 10 pins. -300mV~85V -40℃~+125℃ 0.01uV/℃ 10mA 154dB 1uV 2.5nA 2.7V~5.5V 640uA High-side detection、Low-side detection、Bidirectional detection、Input filter、Power monitoring、Programmable threshold alarm、Integrated ADC、Enable/shutdown function ±163.84mV VSSOP-10-0.5mm Current Sense Amplifiers ROHS.

PCBKit's library has its KiCad symbol (Sensor_Energy:INA228, from KiCad's library) and its footprint (Package_SO:TSSOP-10_3x3mm_P0.5mm, from KiCad's library), ready for a KiCad board. 3,123 are in stock at JLCPCB (part C2887910).

Symbol

A11A02Alert3SDA4SCL5VS6GND7Vbus8Vin-9Vin+10
Sensor_Energy:INA228From KiCad's library

Footprint

Package_SO:TSSOP-10_3x3mm_P0.5mmFrom KiCad's library

From the datasheet

13
Supply, least
2.7 V · VS, recommended operating min · p. 4
Supply, most
5.5 V · VS, recommended operating max · p. 4
Supply, absolute maximum
6 V · VS, absolute maximum · p. 3
Works from
-40 °C · Ambient temperature min · p. 4
Works up to
125 °C · Ambient temperature max · p. 4
Junction, hottest
150 °C · Junction temperature absolute max · p. 3
Takes working
640 µA · VS quiescent current typical, VSENSE = 0 V · p. 6
Takes at most
1.1 mA · VS quiescent current max, VSENSE = 0 V, TA = –40°C to +125°C · p. 6
Takes asleep
2.8 µA · Shutdown quiescent current typical · p. 6
A pin gives at most
10 mA · Digital output current absolute max · p. 3
Junction to air (DGS (VSSOP))
177.6 K/W · Junction-to-ambient thermal resistance · p. 4
Junction to case (DGS (VSSOP))
66.4 K/W · Junction-to-case (top) thermal resistance · p. 4
Junction to board (DGS (VSSOP))
99.5 K/W · Junction-to-board thermal resistance · p. 4

What it is and has

13
ADC
20-bit delta-sigma · p. 1
Offset voltage
±1 µV maximum · p. 1
Offset drift
±0.01 µV/°C maximum · p. 1
Gain error
±0.05% maximum · p. 1
Gain error drift
±20 ppm/°C maximum · p. 1
Common mode rejection
154 dB minimum · p. 1
Fast alert response
75 μs · p. 1
Common-mode range
–0.3 V to +85 V · p. 1
Bus voltage sense input
0 V to 85 V · p. 1
Temperature sensor
±1°C maximum at 25°C · p. 1
Resistor temperature compensation
Programmable · p. 1
Conversion time and averaging
Programmable · p. 1
Package
VSSOP (10), 3.00 mm × 3.00 mm · p. 1

Around it

2
cap 0.1 µF to 1 µF
between IN+ and IN–; Ceramic differential input filter capacitor. · p. 34
res 100 Ω or less
between Shunt positive terminal and IN+; Input filter series resistor; use the lowest possible resistance. · p. 34

Specifications

73
ParameterConditionsAs printedPage
Supply voltage VSmax 6 V3
Differential (VIN+) – (VIN–) VIN+, VIN–min -40 · max 40 V3
Common-mode VIN+, VIN–min -0.3 · max 85 V3
VVBUS VVBUSmin -0.3 · max 85 V3
ALERT VALERTMaximum is VS + 0.3 Vmin -0.3 V3
SDA, SCL VIOmin -0.3 · max 6 V3
Input current into any pin IINmax 5 mA3
Digital output current IOUTmax 10 mA3
Junction temperature TJmax 150 °C3
Storage temperature Tstgmin -65 · max 150 °C3
Electrostatic discharge V(ESD)Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins; ±2000 Vmax 2000 V4
Electrostatic discharge V(ESD)Charged device model (CDM), per JEDEC specification JESD22-C101, all pins; ±1000 Vmax 1000 V4
Common-mode input range VCMmin -0.3 · max 85 V4
Operating supply range VSmin 2.7 · max 5.5 V4
Ambient temperature TAmin -40 · max 125 °C4
Junction-to-ambient thermal resistance RθJADGS (VSSOP), 10 PINStyp 177.6 °C/W4
Junction-to-case (top) thermal resistance RθJC(top)DGS (VSSOP), 10 PINStyp 66.4 °C/W4
Junction-to-board thermal resistance RθJBDGS (VSSOP), 10 PINStyp 99.5 °C/W4
Junction-to-top characterization parameter ΨJTDGS (VSSOP), 10 PINStyp 9.7 °C/W4
Junction-to-board characterization parameter YJBDGS (VSSOP), 10 PINStyp 97.6 °C/W4
Common-mode input range VCMTA = –40°C to +125°Cmin -0.3 · max 85 V5
Bus voltage input range VVBUSmin 0 · max 85 V5
Common-mode rejection CMRR–0.3 V < VCM < 85 V, TA = –40°C to +125°Cmin 154 · typ 170 dB5
Shunt voltage input range VDIFFTA = –40°C to +125°C, ADCRANGE = 0min -163.84 · max 163.84 mV5
Shunt voltage input range VDIFFTA = –40°C to +125°C, ADCRANGE = 1min -40.96 · max 40.96 mV5
Shunt offset voltage VosVCM = 48 V, TCT > 280 us; values are ±typ 0.3 · max 1 uV5
Shunt offset voltage VosVCM = 0 V, TCT > 280 us; values are ±typ 0.3 · max 1 uV5
Shunt offset voltage drift dVos/dTTA = –40°C to +125°C; values are ±typ 2 · max 10 nV/°C5
Shunt offset voltage vs power supply PSRRVS = 2.7 V to 5.5 V, TA = –40°C to +125°C; values are ±typ 0.05 · max 0.5 uV/V5
VBUS offset voltage Vos_busVBUS = 20 mV; values are ±typ 1 · max 2.5 mV5
VBUS offset voltage drift dVos/dTTA = –40°C to +125°C; values are ±typ 4 · max 20 uV/°C5
VBUS offset voltage vs power supply PSRRVS = 2.7 V to 5.5 V; typical is ±typ 0.25 mV/V5
Input bias current IBEither input, IN+ or IN–, VCM = 85 Vtyp 0.1 · max 2.5 nA5
VBUS pin input impedance ZVBUSActive modemin 0.8 · typ 1 · max 1.2 MΩ5
VBUS pin leakage current IVBUSShutdown mode, VBUS = 85 Vtyp 10 nA5
Input differential impedance RDIFFActive mode, VIN+ – VIN– < 164 mVtyp 92 kΩ5
Shunt voltage gain error GSERRVCM = 24 V; values are ±typ 0.01 · max 0.05 %5
Shunt voltage gain error drift GS_DRFTMaximum is ±max 20 ppm/°C5
VBUS voltage gain error GBERRValues are ±typ 0.01 · max 0.05 %5
VBUS voltage gain error drift GB_DRFTMaximum is ±max 20 ppm/°C5
Power total measurement error (TME) PTMETA = –40°C to +125°C, at full scale; maximum is ±max 0.5 %5
Energy and charge TME ETMEat full scale power; maximum is ±max 1 %5
ADC resolutiontyp 20 Bits5
1 LSB step sizeShunt voltage, ADCRANGE = 0typ 312.5 nV5
1 LSB step sizeShunt voltage, ADCRANGE = 1typ 78.125 nV5
1 LSB step sizeBus voltagetyp 195.3125 uV5
1 LSB step sizeTemperaturetyp 7.8125 m°C5
ADC conversion-time(1) TCTConversion time field = 0htyp 50 us5
ADC conversion-time(1) TCTConversion time field = 1htyp 84 us5
ADC conversion-time(1) TCTConversion time field = 2htyp 150 us5
ADC conversion-time(1) TCTConversion time field = 3htyp 280 us5
ADC conversion-time(1) TCTConversion time field = 4htyp 540 us5
ADC conversion-time(1) TCTConversion time field = 5htyp 1052 us5
ADC conversion-time(1) TCTConversion time field = 6htyp 2074 us5
ADC conversion-time(1) TCTConversion time field = 7htyp 4120 us5
Integral Non-Linearity INLTypical is ±typ 2 m%5
Differential Non-Linearity DNLtyp 0.2 LSB5
Internal oscillator frequency FOSCtyp 1 MHz5
Internal oscillator frequency tolerance FOSC_TOLTA = 25°C; maximum is ±max 0.5 %5
Internal oscillator frequency tolerance FOSC_TOLTA = –40°C to +125°C; maximum is ±max 1 %5
Measurement rangeTemperature sensormin -40 · max 125 °C6
Temperature accuracyTA = 25°C; values are ±typ 0.15 · max 1 °C6
Temperature accuracyTA = –40°C to +125°C; values are ±typ 0.2 · max 2 °C6
Supply voltage VSmin 2.7 · max 5.5 V6
Quiescent current IQVSENSE = 0 Vtyp 640 · max 750 uA6
Quiescent current IQVSENSE = 0 V, TA = –40°C to +125°Cmax 1.1 mA6
Quiescent current, shutdown IQSDShutdown modetyp 2.8 · max 5 uA6
Device start-up time TPORPower-up (NPOR)typ 300 us6
Device start-up time TPORFrom shutdown modetyp 60 us6
Logic input level, high VIHSDA, SCLmin 1.2 · max 5.5 V6
Logic input level, low VILMinimum is GNDmax 0.4 V6
Logic output level, low VOLIOL = 3 mA; minimum is GNDmax 0.4 V6
Digital leakage input current IIO_LEAK0 ≤ VIN ≤ VSmin -1 · max 1 uA6

Pins, by the datasheet

10
1 A1
I2C address pin. Connect to GND, SCL, SDA, or VS. · p. 3
2 A0
I2C address pin. Connect to GND, SCL, SDA, or VS. · p. 3
3 ALERT
Open-drain alert output, default state is active low. · p. 3
4 SDA
Open-drain bidirectional I2C data. · p. 3
5 SCL
I2C clock input. · p. 3
6 VS
Power supply, 2.7 V to 5.5 V. · p. 3
7 GND
Ground. · p. 3
8 VBUS
Bus voltage input. · p. 3
9 IN–
Negative input; connect to load side of sense resistor for high-side applications or ground side for low-side applications. · p. 3
10 IN+
Positive input; connect to power supply side of sense resistor for high-side applications or load side for low-side applications. · p. 3

Ordering codes, by the datasheet

2
INA228AIDGSR
VSSOP (DGS) · 10 pins; 2500-piece large tape and reel; operating temperature -40 to 125 °C. · p. 41
INA228AIDGSR.A
VSSOP (DGS) · 10 pins; 2500-piece large tape and reel; operating temperature -40 to 125 °C. · p. 41

Parameters

19
Common Mode Rejection Ratio (CMRR)
154dB
Current - Supply(Max)
1.1mA
Differential Voltage
±163.84mV
Features
Bidirectional detection
Ib - Input Bias Current
2.5nA
Input Offset Voltage Drift(Vos TC)
0.01uV/℃
Junction Temperature(Max)
150℃
Operating Temperature
-40℃~+125℃
Output Current
10mA
Output Current per Pin(Max)
10mA
Quiescent Current
640uA
Single Supply
2.7V~5.5V
Standby Current
2.8uA
Thermal Resistance(Junction to Ambient)
177.6℃/W
Thermal Resistance(Junction to Board)
99.5℃/W
Thermal Resistance(Junction to Case)
66.4℃/W
Vcm - Common Mode Voltage
-300mV~85V
Voltage - Supply(Absolute Max)
6V
Vos - Input Offset Voltage
1uV

Order codes

2

Pinout

10
The pins of the INA228AIDGS
PinNameType
1A1Input
2A0Input
3AlertOpen collector
4SDAInput/output
5SCLInput
6VSPower in
7GNDPower in
8VbusInput
9Vin-Input
10Vin+Input

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Questions

Is there a KiCad symbol and footprint for the INA228AIDGS?

Yes. The symbol is Sensor_Energy:INA228 and the footprint Package_SO:TSSOP-10_3x3mm_P0.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the INA228AIDGS?

VSSOP-10-0.5mm, with 10 pins. Its footprint is drawn on this page.

Where is the INA228AIDGS datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the INA228AIDGS?

JLCPCB lists it as part C2887910, with 3,123 in stock; the sellers' links on this page open their listings.

What can replace the INA228AIDGS?

Parts like it in the library: the INA238AIDGSR by Texas Instruments, the INA226AIDGSR by Texas Instruments, the INA237AIDGSR by Texas Instruments and the INA233AIDGS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8