INA204AIDGST Equivalent & Substitute Parts

Part Overview

The INA204AIDGST is a high-side current monitor IC manufactured by Texas Instruments, designed for power management applications requiring precise current sensing. This device operates across a wide input voltage range of -16V to 80V with ±4.6% accuracy and delivers a 1mA output signal. The part is classified as Last Time Buy, indicating limited future availability. Identifying equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain flexibility for production and maintenance applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	INA204AIDGST
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Function	Current Monitor
Sensing Method	High-Side
Accuracy	±4.6%
Voltage - Input	-16V ~ 80V
Current - Output	1mA
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package	10-VSSOP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the INA204AIDGST are determined by strict equivalence across the following critical parameters:

Sensing Method: High-Side (all substitutes maintain this specification)
Accuracy: ±4.6% (all substitutes match this tolerance)
Voltage - Input Range: -16V ~ 80V (all substitutes operate within this range)
Current - Output: 1mA (all substitutes deliver identical output current)
Operating Temperature: -40°C ~ 125°C (all substitutes support this range)
Mounting Type: Surface Mount (all substitutes use surface mount technology)
Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) (all substitutes use identical packaging)
Supplier Device Package: 10-VSSOP (all substitutes use this package designation)
RoHS Status: ROHS3 Compliant (all substitutes maintain compliance)
Moisture Sensitivity Level (MSL): 2 (1 Year) (all substitutes match this specification)
REACH Status: REACH Unaffected (all substitutes maintain this status)

The substitute parts differ only in base product number (INA203, INA205, INA206, INA207, INA208) and product status (Active, Last Time Buy, or Obsolete). These differences do not affect electrical or mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Sensing Method	Accuracy	Voltage Input	Current Output	Operating Temp	Package	Product Status	Inventory (Pcs)
INA204AIDGST	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Last Time Buy	1118
INA203AIDGSR	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Active	3459
INA203AIDGST	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Last Time Buy	1246
INA205AIDGSR	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Active	3486
INA205AIDGST	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Obsolete	20480
INA206AIDGSR	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Active	19553
INA206AIDGST	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Obsolete	2410
INA207AIDGSR	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Active	2000
INA207AIDGST	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Obsolete	968
INA208AIDGST	Texas Instruments	High-Side	±4.6%	-16V ~ 80V	1mA	-40°C ~ 125°C	10-VSSOP	Last Time Buy	1199

Engineering Selection Recommendations

All listed substitute parts maintain identical electrical and mechanical specifications to the INA204AIDGST. Selection should prioritize product status and compliance requirements:

Active Status Parts (recommended for new designs and long-term supply):

INA203AIDGSR (3459 units available)
INA205AIDGSR (3486 units available)
INA206AIDGSR (19553 units available)
INA207AIDGSR (2000 units available)

Last Time Buy Status Parts (suitable for existing designs with defined production windows):

INA203AIDGST (1246 units available)
INA208AIDGST (1199 units available)

Obsolete Status Parts (use only for maintenance and repair of existing systems):

INA205AIDGST (20480 units available)
INA206AIDGST (2410 units available)
INA207AIDGST (968 units available)

All parts maintain ROHS3 compliance, REACH Unaffected status, and MSL 2 (1 Year) moisture sensitivity rating. Packaging differences (Tape & Reel versus Cut Tape & Digi-Reel) do not affect electrical performance and are determined by supplier availability and procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can INA203AIDGSR replace INA204AIDGST in existing designs?

A: Yes. Both parts share identical electrical specifications (±4.6% accuracy, -16V to 80V input, 1mA output) and mechanical packaging (10-VSSOP). The only difference is the base product number. INA203AIDGSR is currently Active status, making it suitable for production use.

Q: What is the difference between parts ending in "SR" and "ST"?

A: The suffix indicates packaging format. "SR" designates Tape & Reel (TR) packaging, while "ST" designates Cut Tape (CT) & Digi-Reel packaging. Both formats contain identical components and are electrically equivalent.

Q: Why are some parts marked Obsolete?

A: Obsolete parts have reached end-of-life status and are no longer manufactured. However, existing inventory may remain available. These parts are suitable only for maintenance and repair of systems already in the field.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, meeting current environmental and regulatory requirements.

Q: Can I use an Active status part to replace a Last Time Buy part?

A: Yes. Active status parts such as INA203AIDGSR, INA205AIDGSR, INA206AIDGSR, and INA207AIDGSR are direct electrical and mechanical equivalents and provide superior long-term supply availability.

Q: What is the moisture sensitivity level for all these parts?

A: All substitute parts carry MSL 2 (1 Year) rating, indicating they require storage in controlled humidity environments and have a one-year shelf life from the date of manufacture.

Q: Do package differences affect circuit board layout?

A: No. All parts use identical 10-VSSOP packaging with 0.118" width and 3.00mm dimensions. Tape & Reel and Cut Tape formats are procurement variations only and do not affect PCB footprint or electrical performance.

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