EN29A0QI Intel Integrated Circuit (Other) In Stock
Intel EN29A0QI is a voltage-mode PWM switching regulator IC in a QFN-84 package supporting 9 V to 16 V input with adjustable output from 0.75 V to 3.3 V. Delivers a single-function regulated output for compact power supply designs. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Intel
- Package
- Other
- Pin Count
- 91
- Lifecycle
- OBSOLETE
- Datasheet
- EN29A0QI Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $28.6594(MOQ 7)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide input voltage range of 9 V to 16 V with 12 V nominal supports standard power rail architectures in networking and computing equipment
- Adjustable output voltage from 0.75 V to 3.3 V enables flexible regulation for diverse load requirements in a single design
- Voltage-mode PWM control delivers precise, low-ripple output with predictable loop stability for sensitive digital and analog loads
- Compact QFN-84 package with 90-pin footprint minimizes PCB area while enabling high-efficiency power conversion
Applications
The EN29A0QI switching regulator is well suited for DC-DC point-of-load power conversion in networking equipment, servers, and industrial computing systems powered from a 12 V bus. Its adjustable 0.75 V to 3.3 V output makes it an excellent choice for supplying CPU core voltages, memory rails, and FPGA I/O banks. The voltage-mode PWM architecture ensures stable regulation under varying load conditions typical of high-performance embedded systems.
Specifications
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.75 TO 3.3V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 9V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-XQCC-N84 |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2000kHz |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the EN29A0QI support, and how does it fit a 12 V bus system?
The EN29A0QI accepts an input voltage from 9 V to 16 V, with a nominal operating point of 12 V. This makes it directly compatible with standard 12 V power bus architectures used in servers, networking switches, and industrial computing platforms without additional pre-regulation stages.
How wide is the EN29A0QI output adjustment range, and which load types benefit most?
The EN29A0QI output voltage is adjustable from 0.75 V to 3.3 V, covering CPU core rails, DDR memory supplies, and FPGA I/O voltages in a single regulator design. This flexibility eliminates the need for multiple fixed-voltage regulators, reducing BOM count and board area in dense power distribution layouts.
What package does EN29A0QI use, and how many pins does it have for PCB layout planning?
The EN29A0QI uses a QFN-84 package (JESD-30 code R-XQCC-N84) with 84 signal pins in a compact leadless footprint. The thermally enhanced exposed pad improves heat dissipation at high switching frequencies, supporting efficient power delivery within a small PCB area.
What control method does EN29A0QI use, and why does it matter for loop compensation?
The EN29A0QI uses voltage-mode pulse width modulation (PWM) control, which provides a straightforward single-feedback-loop compensation network. Voltage-mode control simplifies filter design and delivers predictable transient response for output capacitors rated in the range of tens of microfarads, making it easier to optimize for specific load step requirements.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 7+ | $33.0686 | $231.48 |
| 8+ | $31.9663 | $255.73 |
| 11+ | $28.6594 | $315.25 |
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