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Microchip Technology MIC24053YJL-TR
- Part No.:
- MIC24053YJL-TR
- Manufacturer:
- Microchip Technology
- Package:
- 28-PowerVQFN
- Datasheet:
-
MIC24053YJL-TR.pdf
- Description:
- IC REG BUCK ADJ 9A 28QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,908
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Product details
Overview
MIC24053YJL-TR from Microchip Technology is a synchronous buck regulator with Hyper Speed Control® architecture, delivering up to 9A output current at adjustable 0.8V–5.5V with ±1% feedback accuracy, 600 kHz fixed switching frequency, and operation across 4.5V–19V input range. It enables high-delta-V conversion (e.g., 19V→0.8V) in server VRMs and telecom power stages.
For engineers reviewing the MIC24053YJL-TR datasheet, MIC24053YJL-TR pinout, MIC24053YJL-TR application, or MIC24053YJL-TR equivalent, key selection criteria include its no-external-compensation design, pre-biased startup support, foldback hiccup-mode short-circuit protection, and 28-pin 5 mm × 6 mm QFN package with dual ground domains (PGND/SGND).
Technical Context
The MIC24053YJL-TR implements adaptive on-time control with fixed-frequency estimation (600 kHz nominal), using internal ripple injection for stability without external compensation. Its control loop senses output voltage ripple via FB to trigger ON-time, eliminating slope compensation while maintaining fast transient response.
It integrates dual LDOs (PVDD and VDD), internal current sensing via low-side MOSFET RDS(ON), and separate PGND/SGND domains to isolate power and signal return paths. Thermal shutdown activates at 160°C with 15°C hysteresis, and undervoltage lockout protects during input sag.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V to 19V - supports wide-input industrial and telecom supplies without external regulators. |
| Output Current | Up to 9A continuous - sufficient for CPU/GPU core rails in servers and base stations. |
| Output Voltage Range | 0.8V to 5.5V adjustable - covers DDR, FPGA, ASIC, and SoC core/logic supply requirements. |
| Feedback Accuracy | ±1% over –40°C to +125°C - ensures tight regulation under thermal stress in enclosed systems. |
| Switching Frequency | 600 kHz (±25%) - balances EMI, inductor size, and efficiency for mid-power DC/DC designs. |
| Thermal Shutdown | 160°C with 15°C hysteresis - prevents latch-up and enables safe recovery after overload. |
| Power Good Output | Open-drain PG with 92% VOUT threshold - provides reliable system sequencing and fault signaling. |
Pinout & Package
Package: 28-pin, 5 mm × 6 mm, 0.5 mm pitch QFN with exposed thermal pad (JEDEC MO-220 variant). Dual ground domains: PGND (pins 2,5–8,13–19,22) for power stage return; SGND (pin 23) for analog/signal reference.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PVIN (pins 13–19) | High-side MOSFET drain input | Primary power input path; requires local ceramic decoupling to PGND for low-impedance high-frequency return. |
| SW (pins 4,9–12) | Switch node | Connection point between internal high-side source and low-side drain; high dv/dt node requiring minimal trace area and isolation from sensitive signals. |
| BST (pin 20) | Bootstrap capacitor terminal | Drives high-side gate via 0.1 μF BST–SW capacitor; Schottky diode from PVDD required for charge replenishment. |
| FB (pin 24) | Feedback input | Senses output via resistor divider; regulated to 0.8V reference; ripple injection needed if output capacitor ESR is too low. |
| PG (pin 25) | Power Good open-drain output | Asserts high when VOUT ≥ 92% of setpoint; requires external pull-up to VDD for logic-level signaling. |
| EN (pin 26) | Enable control | CMOS-compatible input; logic high (≥1.8V) enables regulation; logic low (<0.6V) reduces quiescent current to 5 μA. |
Key Features
| Feature | Design Value |
|---|---|
| Hyper Speed Control® architecture | Enables ultra-fast load transients and stable operation with small output capacitance, even at high VIN/VOUT ratios (e.g., 19V→0.8V). |
| No external compensation required | Adaptive on-time control with internal ripple injection eliminates need for compensation network, reducing BOM count and layout sensitivity. |
| Safe startup into pre-biased output | Prevents reverse current flow during hot-insertion or multi-rail sequencing, protecting downstream loads and upstream sources. |
| Any-capacitor stability | Operates stably with zero-to-high ESR output capacitors - supports polymer, MLCC, and electrolytic types without tuning. |
| Foldback hiccup-mode protection | Reduces average power dissipation during sustained short circuits by cycling enable/disable, limiting thermal stress and enabling auto-recovery. |
Applications
| Server Core Power | Telecom Line Card |
|---|---|
|
Use Scenario: Regulating 1.8V/9A core supply for dual-socket Xeon processors in 1U rack servers. IC Role / Device Role / Timing Role: Primary synchronous buck controller managing dynamic load steps up to 6A/μs with sub-50 mV droop. Use Value: Hyper Speed Control® delivers <10 μs recovery from 2A→8A transient, minimizing need for bulk output capacitance and saving board space. |
Use Scenario: Generating 3.3V/6A supply for packet processing ASICs on carrier-grade Ethernet line cards. IC Role / Device Role / Timing Role: High-efficiency step-down regulator operating from 12V intermediate bus with strict thermal constraints. Use Value: 95% peak efficiency at 12V→3.3V/6A reduces heat sink requirements and enables convection-only cooling in dense card layouts. |
| 5G Base Station RF Front-End | Industrial PLC I/O Module |
|
Use Scenario: Providing 1.0V/5A bias for GaN power amplifier MMICs in active antenna units. IC Role / Device Role / Timing Role: Low-noise, high-PG-accuracy buck regulator supporting precise RF bias sequencing and fault reporting. Use Value: ±1% VREF accuracy and 92% PG threshold ensure consistent PA performance across temperature and lifetime. |
Use Scenario: Delivering 5.0V/3A isolated auxiliary supply for digital I/O drivers in harsh industrial environments. IC Role / Device Role / Timing Role: Robust buck converter with hiccup-mode protection and –40°C to +125°C operation. Use Value: Foldback current limit and thermal shutdown prevent catastrophic failure during field wiring faults or ambient temperature excursions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MP2451DT-LF-Z | 4.5V–36V input, 0.8V–28V output, 0.6A max, 2MHz switching - lower current, higher frequency, no PG output. | Suitable for low-power auxiliary rails; lacks 9A capability and pre-biased startup. | Select when footprint and cost constrain use of high-current regulators and load current ≤0.6A. |
| TPS549D22RSAR | 4.5V–18V input, 0.6V–5.5V output, 10A, 1MHz, integrated PMBus - adds digital interface and telemetry. | Requires PMBus host and firmware; higher BOM complexity but enables real-time monitoring and margining. | Choose when system-level telemetry, remote configuration, or adaptive voltage scaling are required. |
Compared with MP2451DT-LF-Z and TPS549D22RSAR, the MIC24053YJL-TR uniquely balances high-current analog control (9A), robust analog protection (hiccup + pre-bias), and minimal external components - making it optimal for cost-sensitive, thermally constrained, high-transient server and telecom power stages where digital overhead is unnecessary.
Availability
MIC24053YJL-TR is available at Aetrix Electronics and suitable for server VRMs, telecom line cards, and 5G base station power supplies requiring stable component supply, long-term lifecycle support, and qualified automotive/industrial grade availability.
Supply support for MIC24053YJL-TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology is a U.S.-based semiconductor manufacturer specializing in microcontrollers, analog, and power management ICs, with broad industrial, automotive, and communications market focus.
The MIC24053YJL-TR belongs to Microchip's high-current synchronous buck regulator product line, designed specifically for high-efficiency, high-transient-response power delivery in datacenter, networking, and wireless infrastructure equipment.
FAQ
What is the maximum output current supported by the MIC24053YJL-TR?
The MIC24053YJL-TR supports up to 9A of continuous output current under typical thermal conditions (e.g., 5 in² 4-layer PCB with 2 oz copper). Peak inductor current limit is 14A at 25°C, derating to 11.25A at 125°C junction temperature. Actual achievable current depends on layout, airflow, and input/output voltage combination.
Does the MIC24053YJL-TR require external compensation components?
No, the MIC24053YJL-TR does not require external compensation components. Its Hyper Speed Control® adaptive on-time architecture uses internal ripple injection and fixed-frequency estimation to maintain stability across all supported output capacitors - including zero-ESR MLCCs - eliminating the need for external RC networks.
Can the MIC24053YJL-TR safely start up into a pre-biased output voltage?
Yes, the MIC24053YJL-TR supports safe startup into a pre-biased output. Its control architecture prevents reverse current flow during turn-on by disabling the high-side MOSFET until the internal reference ramps above the existing output voltage, protecting both the IC and downstream circuitry during hot-swap or multi-rail sequencing events.
What is the purpose of the separate PGND and SGND pins on the MIC24053YJL-TR?
The MIC24053YJL-TR separates PGND (power ground) and SGND (signal ground) to isolate high-current switching return paths from sensitive analog reference and feedback circuits. PGND (pins 2,5–8,13–19,22) carries switch-node and MOSFET return currents; SGND (pin 23) serves as the quiet reference for FB, EN, and PG - minimizing noise coupling and improving regulation accuracy.
How does the MIC24053YJL-TR implement overcurrent protection?
The MIC24053YJL-TR implements overcurrent protection using internal RDS(ON) sensing of the low-side MOSFET during OFF-time, eliminating the need for an external sense resistor. It features foldback current limiting and "hiccup mode": upon detecting >14A peak inductor current, it disables switching, waits, then retries - limiting average power dissipation and enabling self-recovery from short circuits.
MIC24053YJL-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- Hyper Speed Control®, SuperSwitcher II™
- Package/Case:
- 28-PowerVQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 19V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 9A
- Frequency - Switching:
- 600kHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-QFN (5x6)
MIC24053YJL-TR FAQ
1.How can I place an order for MIC24053YJL-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC24053YJL-TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MIC24053YJL-TR reliable?
The price and inventory of MIC24053YJL-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC24053YJL-TR is usually 5 days.
3.What payment methods are accepted for MIC24053YJL-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC24053YJL-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC24053YJL-TR?
MIC24053YJL-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC24053YJL-TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MIC24053YJL-TR?
For technical support, including MIC24053YJL-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC24053YJL-TR requirements.
6.How does Aetrix verify that MIC24053YJL-TR is sourced from the original manufacturer or authorized distributors?
All MIC24053YJL-TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MIC24053YJL-TR meets industry standards.
7.What is the process for return or replacement of MIC24053YJL-TR?
All MIC24053YJL-TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC24053YJL-TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MIC24053YJL-TR part is unused and in its original packaging.
Return procedure for MIC24053YJL-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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