INA226AIDGST

Texas InstrumentsExtended

-40℃~+125℃ 0.1uV/℃ 10uA 140dB 2.5uV 2.7V~5.5V 330uA 36V 500kHz High-side detection、Low-side detection、Power monitoring、Digital output interface、Programmable threshold alarm、Integrated ADC ±40V VSSOP-10-0.5mm Current Sense Amplifiers ROHS

Datasheet JLCPCB LCSC

Part id: ti/INA226AIDGST
Category: Current Sense Amplifiers
Package: VSSOP-10-0.5mm
Pins: 10
In stock: 252 at JLCPCB (C2653870)
Used on: 10 open-source boards

Overview

The INA226AIDGST is a current Sense Amplifier made by Texas Instruments in a VSSOP-10-0.5mm package with 10 pins. -40℃~+125℃ 0.1uV/℃ 10uA 140dB 2.5uV 2.7V~5.5V 330uA 36V 500kHz High-side detection、Low-side detection、Power monitoring、Digital output interface、Programmable threshold alarm、Integrated ADC ±40V VSSOP-10-0.5mm Current Sense Amplifiers ROHS.

PCBKit's library has its KiCad symbol (Sensor_Energy:INA226, from KiCad's library) and its footprint (Package_SO:TSSOP-10_3x3mm_P0.5mm, from KiCad's library), ready for a KiCad board. 252 are in stock at JLCPCB (part C2653870). 10 open-source boards in 5 repositories on GitHub use it.

Symbol

Sensor_Energy:INA226From KiCad's library

Footprint

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

From the datasheet

Supply, least: 2.7 V · VS, recommended operating min · p. 6
Supply, most: 5.5 V · VS, recommended operating max · p. 6
Supply, absolute maximum: 6 V · VS, absolute max · p. 4
Works from: -40 °C · Operating free-air temperature min · p. 4
Works up to: 125 °C · Operating free-air temperature max · p. 4
Junction, hottest: 150 °C · Junction temperature absolute max · p. 4
Takes working: 330 µA · VS quiescent current typical, 25°C, 3.3 V · p. 6
Takes at most: 420 µA · VS quiescent current max, 25°C, 3.3 V · p. 6
Takes asleep: 500 nA · Power-down quiescent current typical · p. 6
A pin gives at most: 10 mA · Open-drain digital output current absolute max · p. 4
Junction to air (DGS (VSSOP)): 144.6 K/W · Junction-to-ambient thermal resistance · p. 4
Junction to case (DGS (VSSOP)): 53.3 K/W · Junction-to-case top thermal resistance · p. 4
Junction to board (DGS (VSSOP)): 80.4 K/W · Junction-to-board thermal resistance · p. 4

What it is and has

Bus voltage sensing: 0V to 36V · p. 1
Sensing configuration: High-side or low-side · p. 1
Measurements: Current, voltage, and power · p. 1
Gain error: 0.1% maximum · p. 1
Offset: 10μV maximum · p. 1
Averaging: Configurable · p. 1
Programmable addresses: 16 · p. 1
Package: 10-pin DGS (VSSOP) · p. 1
ADC resolution: 16 Bits · p. 5

Around it

cap 0.1µF: between VS and GND; CBYPASS in the typical application circuit. · p. 29
res 2mΩ: between IN+ and IN–; Example shunt resistor for nominal 10A load and 20mV differential voltage. · p. 15

Specifications

Parameter	Conditions	As printed	Page
Supply voltage VVS	Over operating free-air temperature range	max 6 V	4
Analog Inputs, IN+, IN–	Differential (VIN+ – VIN-); individual pin voltages must remain within –0.3 V to 40 V	min -40 · max 40 V	4
Analog Inputs, IN+, IN–	Common-Mode (VIN+ + VIN-) / 2	min -0.3 · max 40 V	4
VVBUS VVBUS		min -0.3 · max 40 V	4
VSDA VSDA	Minimum: GND – 0.3 V	max 6 V	4
Input current into any pin IIN		max 5 mA	4
Open-drain digital output current IOUT		max 10 mA	4
Junction temperature TJ		max 150 °C	4
Storage temperature range Tstg		min -65 · max 150 °C	4
Electrostatic discharge V(ESD)	Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins; ±2500 V	max 2500 V	4
Electrostatic discharge V(ESD)	Charged device model (CDM), per ANSI/ESDA/JEDEC JS-002, all pins; ±1000 V	max 1000 V	4
Common-mode input voltage VCM	Nominal value	typ 12 V	4
Operating supply voltage VVS	Nominal value	typ 3.3 V	4
Operating free-air temperature TA		min -40 · max 125 °C	4
Junction-to-ambient thermal resistance RθJA	DGS (VSSOP), 10 pins	typ 144.6 °C/W	4
Junction-to-case (top) thermal resistance RθJC(top)	DGS (VSSOP), 10 pins	typ 53.3 °C/W	4
Junction-to-board thermal resistance RθJB	DGS (VSSOP), 10 pins	typ 80.4 °C/W	4
Junction-to-top characterization parameter ΨJT	DGS (VSSOP), 10 pins	typ 3.5 °C/W	4
Junction-to-board characterization parameter YJB	DGS (VSSOP), 10 pins	typ 78.9 °C/W	4
Shunt voltage input range		min -81.9175 · max 81.92 mV	5
Bus voltage input range		min 0 · max 36 V	5
Common-mode rejection CMRR	0 V ≤ VIN+ ≤ 36 V	min 126 · typ 140 dB	5
Shunt offset voltage, RTI VOS	Values are ±	typ 2.5 · max 10 uV	5
Shunt offset voltage, RTI(2) vs temperature	–40°C ≤ TA ≤ 125°C	typ 0.02 · max 0.1 uV/°C	5
Shunt offset voltage, RTI(2) vs Power supply PSRR	2.7 V ≤ VS ≤ 5.5 V; typical value is ±2.5	typ 2.5 uV/V	5
Bus offset voltage, RTI VOS	Values are ±	typ 1.25 · max 7.5 mV	5
Bus offset voltage, RTI(2) vs temperature	–40°C ≤ TA ≤ 125°C	typ 10 · max 40 uV/°C	5
Bus offset voltage, RTI(2) vs power supply PSRR	Typical value is ±0.5	typ 0.5 mV/V	5
Input bias current (IIN+, IIN– pins) IB		typ 0.1 nA	5
VBUS input impedance		typ 830 kΩ	5
Input leakage	(IN+ pin) + (IN– pin), Power-down mode	typ 0.1 · max 0.5 uA	5
ADC native resolution		typ 16 Bits	5
1 LSB step size	Shunt voltage	typ 2.5 uV	5
1 LSB step size	Bus voltage	typ 1.25 mV	5
Shunt voltage gain error		typ 0.02 · max 0.1 %	5
Shunt voltage gain error vs temperature	–40°C ≤ TA ≤ 125°C	typ 10 · max 50 ppm/°C	5
Bus voltage gain error		typ 0.02 · max 0.1 %	5
Bus voltage gain error vs temperature	–40°C ≤ TA ≤ 125°C	typ 10 · max 50 ppm/°C	5
Differential nonlinearity	Typical value is ±0.1	typ 0.1 LSB	5
ADC conversion time tCT	CT bit = 000	typ 140 · max 154 us	5
ADC conversion time tCT	CT bit = 001	typ 204 · max 224 us	5
ADC conversion time tCT	CT bit = 010	typ 332 · max 365 us	5
ADC conversion time tCT	CT bit = 011	typ 588 · max 646 us	5
ADC conversion time tCT	CT bit = 100	typ 1.1 · max 1.21 ms	5
ADC conversion time tCT	CT bit = 101	typ 2.116 · max 2.328 ms	5
ADC conversion time tCT	CT bit = 110	typ 4.156 · max 4.572 ms	5
ADC conversion time tCT	CT bit = 111	typ 8.244 · max 9.068 ms	5
SMBus timeout		typ 28 · max 35 ms	5
Input capacitance		typ 3 pF	5
Leakage input current	0 V ≤ VSCL, VSDA, VAlert, VA0, VA1 ≤ VVS	typ 0.1 · max 1 uA	5
High-level input voltage VIH	Minimum: 0.7×VVS	max 6 V	5
Low-level input voltage VIL	Maximum: 0.3×VVS	min -0.5 V	6
Low-level output voltage, SDA, Alert VOL	IOL = 3 mA	min 0 · max 0.4 V	6
Hysteresis		typ 500 mV	6
Operating supply range		min 2.7 · max 5.5 V	6
Quiescent current IQ		typ 330 · max 420 uA	6
Quiescent current, power-down (shutdown) mode		typ 0.5 · max 2 uA	6
Power-on reset threshold VPOR		typ 2 V	6

Pins, by the datasheet

1 A1: Address pin; connect to GND, SCL, SDA, or VS. · p. 3
2 A0: Address pin; connect to GND, SCL, SDA, or VS. · p. 3
3 Alert: Multi-functional alert, open-drain output. · p. 3
4 SDA: Serial bus data line, open-drain input/output. · p. 3
5 SCL: Serial bus clock line, open-drain input. · p. 3
6 VS: Power supply, 2.7V to 5.5V. · p. 3
7 GND: Ground. · p. 3
8 VBUS: Bus voltage input. · p. 3
9 IN–: Connect to load side of shunt resistor. · p. 3
10 IN+: Connect to supply side of shunt resistor. · p. 3

Parameters

Bandwidth: 500kHz
Common Mode Rejection Ratio (CMRR): 140dB
Current - Supply(Max): 420uA
Differential Voltage: ±40V
Features: Integrated ADC
Ib - Input Bias Current: 10uA
Input Offset Voltage Drift(Vos TC): 0.1uV/℃
Junction Temperature(Max): 150℃
Operating Temperature: -40℃~+125℃
Output Current per Pin(Max): 10mA
Quiescent Current: 330uA
Single Supply: 2.7V~5.5V
Standby Current: 500nA
Thermal Resistance(Junction to Ambient): 144.6℃/W
Thermal Resistance(Junction to Board): 80.4℃/W
Thermal Resistance(Junction to Case): 53.3℃/W
Vcm - Common Mode Voltage: 36V
Voltage - Supply(Absolute Max): 6V
Vos - Input Offset Voltage: 2.5uV

Order codes

INA226AIDGSTLCSC C2653870

Pinout

The pins of the INA226AIDGST
Pin	Name	Type
1	A1	Input
2	A0	Input
3	Alert	Open collector
4	SDA	Input/output
5	SCL	Input
6	VS	Power in
7	GND	Power in
8	Vbus	Input
9	Vin-	Input
10	Vin+	Input

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Questions

Is there a KiCad symbol and footprint for the INA226AIDGST?

Yes. The symbol is Sensor_Energy:INA226 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 INA226AIDGST?

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

Where is the INA226AIDGST datasheet?

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

Where can I order the INA226AIDGST?

JLCPCB lists it as part C2653870, with 252 in stock; the sellers' links on this page open their listings.

What can replace the INA226AIDGST?

Parts like it in the library: the INA226AIDGSR by Texas Instruments, the INA237AIDGSR by Texas Instruments, the INA233AIDGS by Texas Instruments and the INA228AIDGS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the INA226AIDGST?

10 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

INA226AIDGST

Overview

Symbol

Footprint

From the datasheet

What it is and has

Around it

Specifications

Pins, by the datasheet

Open-source boards using it

Solar module-1u si

Aviyonik

KiCad Advanced Design a smart USB thumb drive

Solar module-1u gaas

Solar module-1u gaas

Solar module-1u si

C3-proxy

Controller board

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