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
What are the key features of EN29A0QI?
- 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
What is EN29A0QI used for?
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.
What are the specifications of EN29A0QI?
| 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 |
What are equivalent replacements for EN29A0QI?
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.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Intel
Intel is a leading electronic component manufacturer. FindMyChip sources Intel ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Intel
EPM7032AETC44-4N
Quad Flat Packages
Integrated Circuit
EPM3512AQC208-10N
Quad Flat Packages
Integrated Circuit
EPM3256ATC144-7N
Quad Flat Packages
Integrated Circuit
EPM3256AQC208-7N
Quad Flat Packages
Integrated Circuit
EPM3256AQC208-10N
Quad Flat Packages
Integrated Circuit
EPM3128ATC100-7N
Quad Flat Packages
Integrated Circuit
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 7+ | $33.0686 | $231.48 |
| 8+ | $31.9663 | $255.73 |
| 11+ | $28.6594 | $315.25 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
A4987SESTR-T
Allegro Microsystems
Integrated Circuit
UDN2987A-6-T
Allegro Microsystems
Integrated Circuit
ACS709LLFTR-35BB-T
Allegro Microsystems
Integrated Circuit
ACS709LLFTR-20BB-T
Allegro Microsystems
Integrated Circuit
A6841SLW-20-T
Allegro Microsystems
Integrated Circuit
A6832SEPTR-T
Allegro Microsystems
Integrated Circuit
A6282EESTR-T
Allegro Microsystems
Integrated Circuit
A6280EESTR-T
Allegro Microsystems
Integrated Circuit
A6279ELPTR-T
Allegro Microsystems
Integrated Circuit
A6279EETTR-T
Allegro Microsystems
Integrated Circuit
A6275EA-T
Allegro Microsystems
Integrated Circuit
A4987SLPTR-T
Allegro Microsystems
Integrated Circuit
A4986SLPTR-T
Allegro Microsystems
Integrated Circuit
A4985SLPTR-T
Allegro Microsystems
Integrated Circuit
A4985SETTR-T
Allegro Microsystems
Integrated Circuit
A4985SESTR-T
Allegro Microsystems
Integrated Circuit