PI5PD2069WEX Equivalent & Substitute Parts

Part Overview

The PI5PD2069WEX is a Power Switch/Driver IC manufactured by Diodes Incorporated, designed for 1:1 N-Channel high-side switching applications with 2.1A output capability. This component operates across 2.7V to 5.5V load voltage range and features integrated fault protection including current limiting, over-temperature, reverse current, and UVLO protection. The device is classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and ongoing production support.

Key Parameters

Parameter	Value
Manufacturer Part Number	PI5PD2069WEX
Manufacturer	Diodes Incorporated
Category	Power Management (PMIC)
Switch Type	USB Switch
Output Type	N-Channel
Output Configuration	High Side
Ratio - Input:Output	1:1
Voltage - Load	2.7V ~ 5.5V
Current - Output (Max)	2.1A
Rds On (Typ)	70mOhm
Operating Temperature	-40°C ~ 105°C (TJ)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the PI5PD2069WEX is determined by the following critical parameters:

Output Type: N-Channel or P-Channel configuration
Ratio - Input:Output: 1:1 topology
Output Configuration: High Side switching
Voltage - Load: 2.7V ~ 5.5V compatibility
Current - Output (Max): Minimum 2.1A capability
Package / Case: 8-SOIC form factor
Fault Protection: Current Limiting, Over Temperature, Reverse Current, UVLO
Mounting Type: Surface Mount

Substitute parts are grouped into two categories:

Category A - N-Channel Direct Equivalents: Parts maintaining N-Channel output type with current ratings at or above 2.1A, identical package footprint, and equivalent fault protection features.

Category B - P-Channel Alternatives: Parts with P-Channel output type, suitable for applications where channel polarity can be accommodated in circuit design, with comparable current handling and protection features.

Category C - Lower Current N-Channel Options: Parts with N-Channel output type but reduced current ratings (below 2.1A), applicable only where load current requirements are lower than the original specification.

Parameter Comparison

Part Number	Manufacturer	Output Type	Current - Output (Max)	Rds On (Typ)	Voltage - Load	Package / Case	Operating Temperature	Product Status
PI5PD2069WEX	Diodes Incorporated	N-Channel	2.1A	70mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 105°C (TJ)	Obsolete
BD2051AFJ-E2	Rohm Semiconductor	N-Channel	500mA	80mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 85°C (TA)	Not For New Designs
BD2055AFJ-E2	Rohm Semiconductor	N-Channel	250mA	80mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 85°C (TA)	Not For New Designs
MAX1607ESA+	Analog Devices Inc./Maxim Integrated	P-Channel	700mA	60mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 85°C (TA)	Active
MAX1607ESA+T	Analog Devices Inc./Maxim Integrated	P-Channel	700mA	60mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 85°C (TA)	Active
MAX1922ESA+	Analog Devices Inc./Maxim Integrated	P-Channel	1A	70mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 85°C (TA)	Active
MAX1922ESA+C71073	Analog Devices Inc./Maxim Integrated	P-Channel	1A	70mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 85°C (TA)	Active
MAX1922ESA+T	Analog Devices Inc./Maxim Integrated	P-Channel	1A	70mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 85°C (TA)	Active
TPS2020D	Texas Instruments	N-Channel	200mA	33mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 125°C (TJ)	Active
TPS2020DR	Texas Instruments	N-Channel	200mA	33mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 125°C (TJ)	Active
TPS2021D	Texas Instruments	N-Channel	600mA	33mOhm	2.7V ~ 5.5V	8-SOIC	-40°C ~ 125°C (TJ)	Active

Engineering Selection Recommendations

For Active Product Status Requirement:

The MAX1922ESA+ series (MAX1922ESA+, MAX1922ESA+C71073, MAX1922ESA+T) from Analog Devices Inc./Maxim Integrated are the only substitute parts with Active product status. These P-Channel devices provide 1A output current, matching the original 70mOhm Rds On specification, and maintain full voltage and temperature range compatibility. All variants are ROHS3 compliant with MSL 1 rating.

For N-Channel Topology Requirement:

TPS2020D and TPS2020DR from Texas Instruments maintain N-Channel output configuration with Active product status. These devices operate across the full -40°C to 125°C temperature range and feature 33mOhm Rds On. However, current output is limited to 200mA, requiring circuit redesign for applications exceeding this threshold.

TPS2021D provides 600mA N-Channel output with Active status and superior thermal performance (-40°C to 125°C), but remains below the original 2.1A specification.

For Compliance and Certification:

All substitute candidates maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can BD2051AFJ-E2 or BD2055AFJ-E2 directly replace PI5PD2069WEX?

A: These Rohm Semiconductor parts maintain N-Channel output type and 8-SOIC package compatibility but are classified as "Not For New Designs." Additionally, their maximum output current (500mA and 250mA respectively) falls significantly below the original 2.1A specification, making them unsuitable for equivalent load switching applications.

Q: Why are MAX1922ESA+ variants recommended despite P-Channel output?

A: The MAX1922ESA+ series represents the only substitute options with Active product status. P-Channel topology requires circuit-level modifications but provides 1A output current with matching 70mOhm Rds On and identical 8-SOIC package footprint. This substitution is valid only where application design permits channel polarity reversal.

Q: What is the difference between MAX1922ESA+, MAX1922ESA+C71073, and MAX1922ESA+T?

A: All three variants share identical electrical specifications (1A output, 70mOhm Rds On, -40°C to 85°C operating range). Differences exist only in packaging configuration: standard tube, tube with date code suffix, and cut tape/Digi-Reel format respectively. Selection depends on procurement and assembly requirements.

Q: Are TPS2020D and TPS2021D suitable for full-current replacement?

A: TPS2020D and TPS2021D maintain N-Channel output and Active product status with superior Rds On (33mOhm). However, maximum output currents of 200mA and 600mA respectively do not meet the original 2.1A requirement. These parts are applicable only for reduced-load applications or where circuit redesign accommodates lower current specifications.

Q: Do all substitute parts maintain the same package footprint?

A: Yes. All substitute candidates utilize 8-SOIC (0.154", 3.90mm Width) package format, ensuring PCB layout compatibility without redesign. Surface mount mounting type is consistent across all options.

Q: What fault protection features are preserved in substitute parts?

A: All substitute candidates maintain current limiting, over-temperature, and UVLO (Under-Voltage Lock-Out) protection. MAX1607ESA+ series provides adjustable current limiting versus the fixed current limiting in the original part. Reverse current protection is present in all N-Channel options and the MAX1922ESA+ series.

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