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AL8807QMP-13 Equivalent & Substitute Parts
Part Overview
The AL8807QMP-13 is an LED Driver IC manufactured by Diodes Incorporated, functioning as a 1-Output DC DC Regulator with Step-Down (Buck) topology. This device integrates a 1.3A internal switch and supports Analog and PWM dimming control at 1MHz switching frequency. The part is classified as Obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. The AL8807QMP-13 operates across a 6V to 30V supply range and is qualified to AEC-Q100 automotive standards with -40°C to 125°C operating temperature range.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AL8807QMP-13 |
| Manufacturer | Diodes Incorporated |
| Product Category | Power Management (PMIC) |
| Type | DC DC Regulator |
| Topology | Step-Down (Buck) |
| Number of Outputs | 1 |
| Voltage Supply (Min) | 6V |
| Voltage Supply (Max) | 30V |
| Current Output / Channel | 1.3A (Switch) |
| Switching Frequency | 1MHz |
| Dimming Control | Analog, PWM |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad |
| Mounting Type | Surface Mount |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the AL8807QMP-13 is determined by the following critical parameters:
Topology Match: All substitute parts must maintain Step-Down (Buck) topology to preserve circuit functionality and control characteristics.
Output Configuration: Single-output requirement must be maintained across all substitutes.
Switching Frequency: 1MHz operation is the baseline; substitutes operating at 500kHz to 2.2MHz are functionally compatible within LED driver applications.
Current Capability: The 1.3A switch current establishes the minimum threshold. Substitutes with 1A or higher current ratings (1A, 1.5A, 500mA variants) are evaluated based on application requirements.
Dimming Control: Analog and PWM dimming support is required. Substitutes supporting PWM-only or Analog+PWM dimming are acceptable.
Supply Voltage Range: Minimum 6V supply compatibility is required. Substitutes with lower minimum ratings (3V, 4.5V) are acceptable as they cover the AL8807QMP-13 operating range. Maximum supply voltage must be ≥30V.
Package Compatibility: 8-pin surface mount packages (8-MSOP, 8-TSSOP, 8-WSON, 8-SOIC variants) are acceptable for PCB layout compatibility.
Automotive Grade & AEC-Q100: Preferred for direct replacement in automotive applications; non-automotive variants are listed where topology and electrical parameters align.
Parameter Comparison
| Parameter | AL8807QMP-13 | AL8860QMP-13 | ILD6070XUMA1 | LM3402HVMMX/NOPB | LM3405AXMKE/NOPB | LM3414HVMR/NOPB | LM3414HVSD/NOPB | LM3414SD/NOPB | LT3592EMSE#TRPBF |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Inc. | Diodes Inc. | Infineon | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Topology | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage Supply (Min) | 6V | 4.5V | 4.5V | 6V | 3V | 4.5V | 4.5V | 4.5V | 3.6V |
| Voltage Supply (Max) | 30V | 40V | 60V | 75V | 22V | 65V | 65V | 42V | 36V |
| Current Output / Channel | 1.3A | 1.5A | 700mA | 500mA | 1A | 1A | 1A | 1A | 50mA, 500mA |
| Switching Frequency | 1MHz | 1MHz | 1MHz | 1MHz | 1.6MHz | 500kHz | 500kHz | 500kHz | 400kHz ~ 2.2MHz |
| Dimming Control | Analog, PWM | Analog, PWM | Analog, PWM | PWM | PWM | Analog, PWM | Analog, PWM | Analog, PWM | — |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 105°C (TA) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TA) |
| Package / Case | 8-MSOP | 8-MSOP | 8-SOIC | 8-TSSOP, 8-MSOP | SOT-23-6 | 8-PowerSOIC | 8-WFDFN | 8-WFDFN | 10-MSOP |
| Grade | Automotive | Automotive | — | — | — | Automotive | Automotive | Automotive | — |
| AEC-Q100 | Yes | Yes | — | — | — | Yes | Yes | Yes | — |
| Product Status | Obsolete | Active | Obsolete | Active | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 3 (168 Hours) | 1 (Unlimited) | 1 (Unlimited) | 3 (168 Hours) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Primary Substitute (Automotive Applications): AL8860QMP-13 is the manufacturer-recommended direct replacement. It maintains Diodes Incorporated sourcing, 8-MSOP package compatibility, AEC-Q100 qualification, and automotive grade. The AL8860QMP-13 provides 1.5A current capability (exceeding the 1.3A requirement), extended supply voltage range (4.5V to 40V), and Active product status ensuring long-term availability.
Secondary Substitutes (Automotive Grade, AEC-Q100): LM3414HVMR/NOPB, LM3414HVSD/NOPB, and LM3414SD/NOPB are Texas Instruments automotive-qualified alternatives. All three maintain 1A current capability, Analog+PWM dimming support, and AEC-Q100 qualification. LM3414HVSD/NOPB and LM3414SD/NOPB offer 8-WSON packages with improved thermal performance. These parts are suitable for direct replacement in automotive LED driver applications.
Tertiary Substitutes (Non-Automotive, Active Status): LM3402HVMMX/NOPB, LM3405AXMKE/NOPB, LM3405AXMKX/NOPB, and LT3592EMSE#TRPBF are Active products with Step-Down topology and PWM dimming. These parts are applicable where automotive qualification is not mandatory. LM3405 variants operate at lower supply voltages (3V minimum) and are suitable for lower-voltage LED applications. LT3592EMSE#TRPBF supports extended frequency range (400kHz to 2.2MHz) for flexible design optimization.
Obsolete Alternative: ILD6070XUMA1 (Infineon) maintains Step-Down topology and 1MHz operation but is Obsolete. This part is not recommended for new designs due to product status and limited future availability.
Frequently Asked Questions (FAQ)
Q: Can AL8860QMP-13 directly replace AL8807QMP-13 in existing designs?
A: Yes. AL8860QMP-13 is the manufacturer-recommended substitute with identical 8-MSOP package, matching pinout compatibility, and superior electrical specifications (1.5A vs. 1.3A current, extended supply range). No PCB modifications are required.
Q: What is the key difference between AL8860QMP-13 and LM3414 variants?
A: AL8860QMP-13 maintains Diodes Incorporated sourcing and 1MHz switching frequency identical to the original part. LM3414 variants (Texas Instruments) operate at 500kHz, requiring different inductor and capacitor values in the power stage. Both are AEC-Q100 qualified and automotive-grade.
Q: Are LM3405 parts suitable for automotive applications?
A: LM3405AXMKE/NOPB and LM3405AXMKX/NOPB are not automotive-grade and lack AEC-Q100 qualification. These parts are suitable for non-automotive LED driver applications. For automotive requirements, use AL8860QMP-13 or LM3414 variants.
Q: Why is ILD6070XUMA1 listed if it is Obsolete?
A: ILD6070XUMA1 is included for reference as a historical equivalent with matching topology and 1MHz operation. However, Obsolete status makes it unsuitable for new designs. Active alternatives (AL8860QMP-13, LM3414 series) are recommended.
Q: What is the impact of switching frequency differences between substitutes?
A: Switching frequency affects inductor and output capacitor selection. AL8807QMP-13 and AL8860QMP-13 operate at 1MHz. LM3414 variants operate at 500kHz, requiring larger inductance values. LT3592EMSE#TRPBF supports 400kHz to 2.2MHz, allowing design flexibility. Circuit redesign is necessary when switching frequency changes.
Q: Are package variants (8-MSOP, 8-WSON, 8-SOIC) interchangeable?
A: Package variants are not directly interchangeable on the same PCB. 8-MSOP and 8-TSSOP share similar footprints and may be compatible with minor layout adjustments. 8-WSON and 8-PowerSOIC packages have different thermal characteristics and require PCB redesign. Verify pinout and thermal pad requirements before substitution.
Q: What is the significance of MSL (Moisture Sensitivity Level) ratings?
A: MSL-1 (Unlimited) parts like AL8807QMP-13 and AL8860QMP-13 have no moisture sensitivity restrictions and can be stored indefinitely at room temperature. MSL-3 parts (ILD6070XUMA1, LM3414HVMR/NOPB) require controlled storage conditions (168 hours maximum at ≤30°C/85% RH) before reflow soldering. MSL rating affects supply chain handling and shelf-life management.
Q: Can LT3592EMSE#TRPBF replace AL8807QMP-13 in a 1:1 substitution?
A: LT3592EMSE#TRPBF is not a direct 1:1 replacement. It uses a 10-MSOP package (vs. 8-MSOP), operates at variable frequency (400kHz to 2.2MHz), and lacks Analog dimming support. Circuit redesign is required. This part is suitable only for new designs where package and frequency flexibility are advantageous.
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