CPC9909NTR LED Driver IC Equivalent & Substitute Parts

Part Overview

The CPC9909NTR is an AC DC offline switcher LED driver IC manufactured by IXYS Integrated Circuits Division. This single-output power management IC operates across a wide input voltage range of 8V to 550V and supports both step-down (buck) and step-up (boost) topologies with PWM dimming capability. The device is actively produced and RoHS3 compliant, designed for signage applications requiring offline LED driver functionality. Substitute parts are identified when original inventory is unavailable or when design requirements necessitate alternative manufacturers while maintaining equivalent electrical and mechanical performance.

Substiute Parts

CPC9909NTR

IXYS Integrated Circuits DivisionIn Stock: 1848CPC9909NTR Datasheet

Current PartRFQ

AL9910-5SP-13

Diodes IncorporatedIn Stock: 11701AL9910-5SP-13 Datasheet

MFR RecommendedRFQ

HV9910CSG-G

Microchip TechnologyIn Stock: 1457HV9910CSG-G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CPC9909NTR are qualified based on the following electrical and mechanical compatibility criteria:

Primary Substitution Criteria:

• Package compatibility: 8-SOIC form factor with 0.154" (3.90mm) width
• Functional equivalence: Single-output LED driver IC with PWM dimming
• Voltage supply overlap: Minimum supply voltage ≤ 8V and maximum supply voltage ≥ 550V
• Topology support: Step-down (buck) and/or step-up (boost) capability
• Surface mount mounting type
• RoHS3 compliance and REACH unaffected status
• Active product status

The CPC9909NTR operates across 8V to 550V with PWM dimming. Substitute parts must support this voltage range or provide equivalent coverage for the intended application. Frequency range variations are acceptable provided the device operates within the 25kHz to 300kHz spectrum typical for LED driver applications.

Parameter Comparison

Engineering Selection Recommendations

AL9910-5SP-13 (Diodes Incorporated): This substitute maintains AC DC offline switcher functionality with dual topology support (buck and boost). The minimum supply voltage increases to 15V, which restricts operation below this threshold compared to the CPC9909NTR. Maximum supply voltage is 500V, providing 50V less headroom than the original. The device supports both analog and PWM dimming, exceeding the PWM-only capability of the CPC9909NTR. Operating temperature extends to 105°C, and the part is RoHS3 compliant and actively produced. The 8-SOIC exposed pad package maintains mechanical compatibility.

HV9910CSG-G (Microchip Technology): This substitute operates as a DC DC controller with step-down (buck) topology only, lacking the step-up (boost) capability of the CPC9909NTR. Minimum supply voltage is 15V and maximum is 450V, further restricting the voltage operating window. The device supports both analog and PWM dimming and operates at fixed frequencies of 25kHz or 100kHz. Operating temperature range extends to 125°C (junction temperature), and the part is RoHS3 compliant and actively produced. The 8-SOIC exposed pad package is mechanically compatible.

Both substitute parts are actively produced, RoHS3 compliant, and REACH unaffected. Selection depends on specific voltage range requirements and topology needs for the target application.

Frequently Asked Questions (FAQ)

Q: Can AL9910-5SP-13 replace CPC9909NTR in all applications?

A: AL9910-5SP-13 is suitable for applications where the input voltage remains at or above 15V. Applications requiring operation below 15V require the CPC9909NTR or alternative parts supporting lower minimum supply voltages. Both parts support PWM dimming and share the 8-SOIC package form factor.

Q: What is the key difference between HV9910CSG-G and CPC9909NTR?

A: HV9910CSG-G operates as a DC DC controller with step-down (buck) topology only, whereas CPC9909NTR supports both step-down and step-up topologies. HV9910CSG-G also requires a minimum supply voltage of 15V and has a maximum of 450V, compared to CPC9909NTR's 8V to 550V range. Applications requiring boost topology or operation below 15V cannot use HV9910CSG-G.

Q: Are all substitute parts in the same package?

A: Yes. CPC9909NTR, AL9910-5SP-13, and HV9910CSG-G all use the 8-SOIC (0.154", 3.90mm Width) package. AL9910-5SP-13 and HV9910CSG-G include an exposed pad variant. PCB layout compatibility is maintained across all three parts.

Q: Do substitute parts support PWM dimming?

A: CPC9909NTR supports PWM dimming only. AL9910-5SP-13 and HV9910CSG-G support both analog and PWM dimming, providing additional dimming flexibility beyond the original part.

Q: What is the operating temperature difference?

A: CPC9909NTR operates from -40°C to 85°C (ambient). AL9910-5SP-13 extends to 105°C (ambient), and HV9910CSG-G extends to 125°C (junction temperature). Higher temperature ratings provide additional thermal margin in demanding applications.

Q: Are all parts RoHS3 compliant?

A: Yes. CPC9909NTR, AL9910-5SP-13, and HV9910CSG-G are all RoHS3 compliant with MSL 1 (unlimited moisture sensitivity level) and REACH unaffected status.