LTM4644IYAlternatives & Equivalent Parts
About LTM4644IY
LTM4644IY is a Integrated Circuit component manufactured by Analog Devices. It comes in a BGA package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | LTM4644IYSource | LMZ31520RLGT | UCD90120ARGCR | MSP430FR2433IRGET | LTM4644IY-1 |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Package Type | BGA | Other | Quad Flat No-Lead | Quad Flat No-Lead | BGA |
| Pin Count | 77 | 72 | 64 | 25 | 77 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $26.4359 | $10.5002 | $4.2300 | $0.6378 | $42.3700 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | No | Yes | Yes | Yes | No |
| Manufacturer Package Code | 05-08-1900 | — | — | — | 05-08-1900 |
| YTEOL | 8.5 | 15 | 15 | 15 | 8.5 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V | — | — | IT HAS INFORMATION FRAM OF 512 BYTES | OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | POWER SEQUENCER | — | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE | VOLTAGE-MODE | — | — | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | — | — | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | 14 V | 14.5 V | — | — | 14 V |
| Input Voltage-Min | 4 V | 3 V | — | — | 4 V |
| Input Voltage-Nom | 12 V | 12 V | — | — | 12 V |
| JESD-30 Code | R-PBGA-B77 | R-XQCC-N72 | S-PQCC-N64 | S-PQCC-N24 | R-PBGA-B77 |
| JESD-609 Code | e0 | e4 | e4 | e4 | e0 |
| Number of Functions | 4 | 1 | 1 | — | 1 |
| Output Current-Max | 4 A | 20 A | — | — | 4 A |
| Output Voltage-Max | 1.523 V | 3.6 V | — | — | 5.5 V |
| Output Voltage-Min | 1.477 V | 0.6 V | — | — | 0.6 V |
| Output Voltage-Nom | 1.5 V | 1.8 V | — | — | 1.5 V |
| Package Body Material | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE | RECTANGULAR |
| Package Style | GRID ARRAY | CHIP CARRIER, HEAT SINK/SLUG | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | GRID ARRAY |
| Peak Reflow Temperature (Cel) | 245 | 245 | 260 | 260 | — |
| Surface Mount | YES | YES | YES | YES | YES |
| Switcher Configuration | BUCK | BUCK | — | — | BUCK |
| Switching Frequency-Max | 1300 kHz | 850 kHz | — | — | 1300 kHz |
| Technology | HYBRID | HYBRID | — | CMOS | HYBRID |
| Temperature Grade | AUTOMOTIVE | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | AUTOMOTIVE |
| Terminal Finish | Tin/Lead (Sn63Pb37) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Lead (Sn/Pb) |
| Terminal Form | BALL | NO LEAD | NO LEAD | NO LEAD | BALL |
| Terminal Pitch | 1.27 mm | 0.8 mm | 0.5 mm | 0.5 mm | 1.27 mm |
| Terminal Position | BOTTOM | QUAD | QUAD | QUAD | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 20 | 30 | 30 | 30 | — |
| ## LTM4644IY Alternates Showing results | Image | — | — | — | — |
| Number of Outputs | — | 1 | — | — | — |
| Package Equivalence Code | — | LCC72,.59X.63,32 | LCC64,.35SQ,20 | LCC24,.16SQ,20 | — |
| Qualification Status | — | Not Qualified | Not Qualified | — | — |
| Adjustable Threshold | — | — | YES | — | — |
| Number of Channels | — | — | 13 | — | — |
| Supply Current-Max (Isup) | — | — | 50 mA | — | — |
| Supply Voltage-Max (Vsup) | — | — | 3.6 V | — | — |
| Supply Voltage-Min (Vsup) | — | — | 3 V | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 3.3 V | — | — |
| Has ADC | — | — | — | YES | — |
| Bit Size | — | — | — | 16 | — |
| Boundary Scan | — | — | — | YES | — |
| CPU Family | — | — | — | MSP430 | — |
| Clock Frequency-Max | — | — | — | 16 MHz | — |
| DAC Channels | — | — | — | NO | — |
| DMA Channels | — | — | — | NO | — |
| Integrated Cache | — | — | — | NO | — |
| Low Power Mode | — | — | — | YES | — |
| Number of External Interrupts | — | — | — | 16 | — |
| Number of I/O Lines | — | — | — | 19 | — |
| On Chip Data RAM Width | — | — | — | 8 | — |
| On Chip Program ROM Width | — | — | — | 8 | — |
| PWM Channels | — | — | — | YES | — |
| RAM (bytes) | — | — | — | 4096 | — |
| ROM (words) | — | — | — | 15360 | — |
| ROM Programmability | — | — | — | FRAM | — |
| Speed | — | — | — | 16 MHz | — |
| Supply Current-Max | — | — | — | 3.48 mA | — |
| Supply Voltage-Max | — | — | — | 3.6 V | — |
| Supply Voltage-Min | — | — | — | 3 V | — |
| Supply Voltage-Nom | — | — | — | 3 V | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | MICROCONTROLLER, RISC | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for LTM4644IY — response within 24 hours.
Quick Links
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Switching Regulator, Current-mode, 4A, 1300kHz Switching Freq-Max, Hybrid, PBGA77
Why Look for Alternatives?
Finding alternatives for LTM4644IY is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating LTM4644IY replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to LTM4644IY?
Known equivalents for LTM4644IY include LMZ31520RLGT, UCD90120ARGCR, MSP430FR2433IRGET. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LTM4644IY?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify LTM4644IY alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.