PCA9507D,112 Equivalent & Substitute Parts

Part Overview

The PCA9507D,112 is a Buffer/ReDriver interface IC manufactured by NXP USA Inc., designed for HDMI applications with 1-channel configuration and 400kHz maximum data rate. This component operates across a 2.7V to 5.5V supply voltage range and is packaged in an 8-SO surface mount configuration. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing design requirements and procurement needs.

Key Parameters

Parameter	Value
Manufacturer Part Number	PCA9507D,112
Manufacturer	NXP USA Inc.
Product Status	Obsolete
Type	Buffer, ReDriver
Applications	HDMI
Number of Channels	1
Data Rate (Max)	400kHz
Input/Output	2-Wire Bus
Voltage - Supply	2.7V ~ 5.5V
Current - Supply	1mA
Capacitance - Input	6 pF
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the PCA9507D,112 is determined by the following critical parameters:

Primary Compatibility Criteria:

Buffer/ReDriver functional type
2-Wire Bus input/output configuration
400kHz maximum data rate capability
Supply voltage range compatibility (minimum 2.7V, maximum 5.5V)
Single channel configuration
Surface mount packaging capability
Operating temperature range -40°C to 85°C
ROHS3 compliance and MSL rating

The substitute parts identified fall into two functional categories: direct pin-compatible replacements in surface mount packages (TCA9509DGKR, PI6ULS5V9509UEX, TCA9509RVHR) and functionally equivalent alternatives with different package types or enhanced specifications (P82B96DGKR, P82B96PWR, P82B96P, P82B715P).

Parameter Comparison

Parameter	PCA9507D,112	TCA9509DGKR	PI6ULS5V9509UEX	TCA9509RVHR	P82B96DGKR	P82B96PWR
Manufacturer	NXP USA Inc.	Texas Instruments	Diodes Incorporated	Texas Instruments	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active	Active	Active	Active
Type	Buffer, ReDriver	Buffer, ReDriver	Buffer, ReDriver	Buffer, ReDriver	Buffer, ReDriver	Buffer, ReDriver
Number of Channels	1	1	1	1	2	2
Data Rate (Max)	400kHz	400kHz	400kHz	400kHz	400kHz	400kHz
Input/Output	2-Wire Bus	2-Wire Bus	2-Wire Bus	2-Wire Bus	2-Wire Bus	2-Wire Bus
Voltage - Supply	2.7V ~ 5.5V	2.7V ~ 5.5V	3V ~ 5.5V	2.7V ~ 5.5V	2V ~ 15V	2V ~ 15V
Current - Supply	1mA	3mA	3mA	3mA	4mA	4mA
Capacitance - Input	6 pF	6.5 pF	6 pF	6.5 pF	4 pF	4 pF
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Not specified	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm)	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-XFQFN Exposed Pad	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-TSSOP (0.173", 4.40mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

TCA9509DGKR and TCA9509RVHR are the most direct functional equivalents, both manufactured by Texas Instruments with active product status. These parts maintain identical supply voltage range (2.7V ~ 5.5V), single-channel configuration, 400kHz data rate, and operating temperature specifications as the PCA9507D,112. Both are ROHS3 compliant with MSL 1 rating. The primary difference is package type: TCA9509DGKR uses 8-VSSOP while TCA9509RVHR uses 8-X2QFN. Both require PCB layout modifications from the original 8-SOIC package.

PI6ULS5V9509UEX, manufactured by Diodes Incorporated, provides functional equivalence with 1-channel, 400kHz capability and surface mount packaging. This part operates within a 3V ~ 5.5V supply range, which is compatible with the original 2.7V ~ 5.5V specification for applications operating above 3V. ROHS3 compliance and MSL 1 rating are maintained. Operating temperature range is not specified in available data.

Secondary Substitutes (Enhanced Specifications):

P82B96DGKR and P82B96PWR are dual-channel variants offering expanded functionality while maintaining 400kHz data rate and surface mount configuration. These parts feature extended supply voltage range (2V ~ 15V) and lower input capacitance (4 pF vs. 6 pF). P82B96DGKR uses 8-VSSOP packaging while P82B96PWR uses 8-TSSOP. Both are ROHS3 compliant with active product status and MSL 1 rating.

P82B715P is a through-hole alternative with 1-channel configuration but operates at 4.5V ~ 12V supply voltage, outside the original 2.7V minimum specification. This part is suitable only for applications with higher supply voltage requirements.

Compliance Verification:

All recommended substitutes maintain ROHS3 compliance and appropriate MSL ratings for surface mount assembly. Operating temperature range of -40°C to 85°C is preserved across primary substitutes, ensuring thermal performance equivalence.

Frequently Asked Questions (FAQ)

Q: Can TCA9509DGKR directly replace PCA9507D,112 without PCB modifications?

A: No. While TCA9509DGKR provides functional equivalence in supply voltage, data rate, and channel configuration, the package differs (8-VSSOP vs. 8-SOIC). PCB layout and footprint modifications are required. Pin-to-pin compatibility cannot be assumed without detailed datasheet comparison.

Q: What is the key difference between TCA9509DGKR and TCA9509RVHR?

A: Both are functionally identical 1-channel, 400kHz Buffer/ReDriver components from Texas Instruments with matching electrical specifications. The difference is packaging: TCA9509DGKR uses 8-VSSOP (0.118" width) while TCA9509RVHR uses 8-X2QFN (1.6x1.6mm). Selection depends on PCB layout constraints and assembly capabilities.

Q: Why do P82B96DGKR and P82B96PWR have 2 channels when the original has 1 channel?

A: These are functionally enhanced alternatives offering dual-channel capability while maintaining the 400kHz data rate and 2-Wire Bus configuration. They are suitable for applications requiring additional channels or as future-proof replacements. Single-channel operation is achievable by utilizing only one channel.

Q: Is PI6ULS5V9509UEX compatible with 2.7V supply voltage applications?

A: No. PI6ULS5V9509UEX operates at 3V ~ 5.5V minimum supply voltage, which is 0.3V higher than the original PCA9507D,112 specification of 2.7V ~ 5.5V. This part is suitable only for applications with supply voltage at 3V or above.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original component's environmental and regulatory specifications.

Q: What is the impact of different input capacitance values across substitutes?

A: Input capacitance variations (4 pF to 6.5 pF) are within typical Buffer/ReDriver specifications and do not affect functional compatibility for 2-Wire Bus applications at 400kHz data rates. Circuit performance impact is negligible for standard I2C/HDMI interface applications.

Q: Can P82B715P be used as a substitute?

A: P82B715P is functionally compatible as a 1-channel Buffer/ReDriver but operates at 4.5V ~ 12V supply voltage, exceeding the original 2.7V minimum. This part is suitable only for applications with higher supply voltage requirements and requires through-hole assembly instead of surface mount.

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