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PCA9901DP,118 LED Driver IC Equivalent & Substitute Parts
Part Overview
The PCA9901DP,118 is a linear LED driver IC manufactured by NXP USA Inc., designed for single-output LED applications with 20mA output current capability. This device operates across a 2.7V to 5.5V supply voltage range and is housed in an 8-TSSOP package. The product is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design requirements and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PCA9901DP,118 |
| Manufacturer | NXP USA Inc. |
| Category | Power Management (PMIC) |
| Type | Linear |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 2.7V |
| Voltage - Supply (Max) | 5.5V |
| Current - Output / Channel | 20mA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the PCA9901DP,118 is determined by the following critical parameters:
- Single Output Configuration: All substitute parts maintain single-output LED driver topology
- Linear Driver Type: All alternatives are linear LED drivers with internal switching capability
- Supply Voltage Compatibility: Substitute parts must accommodate the 2.7V to 5.5V supply range or provide overlap within this window
- Output Current Capability: Substitute parts exceed or match the 20mA output current requirement
- Surface Mount Packaging: All alternatives use surface mount technology
- RoHS3 Compliance: All substitute parts maintain RoHS3 compliance status
The four substitute parts listed (BCR421UW6Q-7, MIC4802YME, TL4242DRJR, TLD1125ELXUMA1) are grouped as active alternatives that satisfy these core substitution criteria while offering enhanced specifications in current handling and operating temperature ranges.
Parameter Comparison
| Parameter | PCA9901DP,118 | BCR421UW6Q-7 | MIC4802YME | TL4242DRJR | TLD1125ELXUMA1 |
|---|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | Diodes Incorporated | Microchip Technology | Texas Instruments | Infineon Technologies |
| Type | Linear | Linear | Linear | Linear | Linear |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 |
| Voltage - Supply (Max) | 5.5V | 18V | 5.5V | 42V | 40V |
| Current - Output / Channel | 20mA | 350mA | 800mA | 500mA | 360mA |
| Operating Temperature | -40°C ~ 85°C (TA) | -55°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Package / Case | 8-TSSOP | SOT-23-6 | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 8-WDFN Exposed Pad | 14-LSSOP (0.154", 3.90mm Width) Exposed Pad |
| Product Status | Obsolete | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
All four substitute parts are active products with ROHS3 compliance, providing production continuity for designs currently using the obsolete PCA9901DP,118.
MIC4802YME maintains the tightest supply voltage alignment (3V to 5.5V) with the original part, making it the most direct functional replacement for applications operating within the original 2.7V to 5.5V window. This part is available in 8-SOIC-EP packaging with 800mA output capability.
BCR421UW6Q-7 offers automotive-grade qualification (AEC-Q101) and extended temperature range (-55°C to 150°C), suitable for applications requiring enhanced reliability. This part operates up to 18V supply and delivers 350mA output current in SOT-23-6 packaging.
TL4242DRJR provides the highest supply voltage capability (4.5V to 42V) and 500mA output current in 8-WDFN packaging, accommodating designs with higher voltage requirements beyond the original specification.
TLD1125ELXUMA1 is part of Infineon's LITIX™ series with automotive-grade qualification and operates across 5.5V to 40V supply range with 360mA output capability in 14-LSSOP packaging.
Frequently Asked Questions (FAQ)
Q: Can MIC4802YME directly replace PCA9901DP,118 in existing PCB layouts?
A: No. While MIC4802YME provides functional equivalence, the package differs (8-SOIC-EP versus 8-TSSOP). PCB layout modifications are required. Pin configuration must be verified before implementation.
Q: Which substitute part has the closest supply voltage specification to the original?
A: MIC4802YME operates at 3V to 5.5V, providing the closest alignment to the original 2.7V to 5.5V range. However, the minimum voltage differs by 0.3V.
Q: Are all substitute parts suitable for automotive applications?
A: BCR421UW6Q-7 and TLD1125ELXUMA1 carry automotive-grade qualification (AEC-Q101). MIC4802YME and TL4242DRJR do not list automotive qualification in the provided specifications.
Q: What is the primary advantage of TL4242DRJR over other substitutes?
A: TL4242DRJR supports the highest supply voltage range (4.5V to 42V) and delivers 500mA output current, accommodating applications requiring higher voltage operation than the original part specification.
Q: Do all substitute parts require PCB redesign?
A: Yes. All four substitute parts use different package types than the original 8-TSSOP, requiring PCB layout modifications and pin-to-pin verification.
Q: Which substitute has the longest operating temperature range?
A: BCR421UW6Q-7 and TL4242DRJR both operate across -55°C to 150°C and -40°C to 150°C respectively, exceeding the original -40°C to 85°C range.
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