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Microchip Technology HV9801ANG-G
- Part No.:
- HV9801ANG-G
- Manufacturer:
- Microchip Technology
- Category:
- LED Drivers
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
HV9801ANG-G.pdf
- Description:
- IC LED DRIVER OFFL PWM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:958
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Product details
Overview
HV9801ANG-G from Microchip Technology is a switch-dimmable LED driver IC designed for AC-powered LED bulbs and fixtures. It supports four-level discrete brightness control via rapid AC power cycling, regulates LED current with ±5% accuracy (250 mV sense threshold), integrates a 450 V-rated internal VDD regulator, and provides hiccup-mode short-circuit protection with 440 mV trip threshold.
For engineers reviewing the HV9801ANG-G datasheet, HV9801ANG-G pinout, HV9801ANG-G application, or HV9801ANG-G equivalent, this device is selected for cost-sensitive, non-isolated, switch-dimming LED lighting where direct rectified AC input, thermal robustness (150°C max junction), and stable current regulation under line-voltage variation are critical.
Technical Context
The HV9801ANG-G implements constant off-time (COT) average current regulation in continuous conduction mode (CCM) buck topology, eliminating load- and line-dependent errors inherent in peak-current-mode controllers. Its internal VDD regulator accepts up to 450 V DC input and maintains 7.5 V ±250 mV output across 15–450 V VIN range.
Switch dimming logic tracks AC on/off cycles to sequence through 100%, 50%, 25%, and 12.5% LED current levels with automatic reversal at endpoints; brightness resets to 100% after >1 s power loss. Protection includes overtemperature trip at 140°C (20°C hysteresis), output short-circuit detection at 440 mV CS, and leading-edge blanking (110–260 ns) to suppress gate-drive transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIN Max | 450 V - Directly interfaces rectified AC bus without external pre-regulator |
| Current Sense Threshold | 250 mV ±6 mV - Sets LED current via RCS = 250 mV / ILED (e.g., 2 Ω → 125 mA) |
| VDD Regulator Output | 7.5 V ±250 mV - Powers internal circuitry and optional external bias; supports 1 mA load |
| Off-time Range | 1.5–40.3 µs - Programmable via RT resistor (30 kΩ–1 MΩ); enables 150–160 kHz switching at typical bus voltages |
| Max Junction Temperature | +150 °C - Enables operation in enclosed LED bulb environments with minimal heatsinking |
| Short-Circuit Trip Level | 440 mV - Triggers hiccup mode (750 µs extended off-time) to limit inductor current during LED string fault |
| Dimming Levels | 4 discrete steps (100%/50%/25%/12.5%) - Controlled by user AC switch cycling; no external MCU or communication required |
Pinout & Package
HV9801ANG-G is housed in a 16-lead SOIC (Narrow Body, NG package), 9.90 × 3.90 mm body, 1.27 mm pitch, RoHS-compliant matte tin finish. Thermal resistance θJA = 83 °C/W enables 1 W dissipation at TA = 25 °C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (Pin 1) | High-voltage input rail | Connects to bridge rectifier output; powers VDD regulator and detects AC power loss for dimming state retention |
| CS (Pin 4) | Current sense input | Monitors voltage across RCS to regulate average LED current; 250 mV threshold enables precise ILED setting |
| GND (Pin 5) | Power and signal reference | Common return for VIN, CS, RT, and GATE; must be low-inductance connection to minimize noise coupling |
| GATE (Pin 8) | External MOSFET driver output | 165 mA sink/source capability drives N-channel MOSFET gate; 30–50 ns rise/fall times support high-frequency switching |
| VDD (Pin 12) | Internal regulated supply | 7.5 V output requiring ≥100 nF HF bypass + ≥175 µF hold-up capacitor to sustain >1 s dimming state after AC loss |
| RT (Pin 14) | Off-time programming | Resistor-to-GND sets TOFF (1.5–40.3 µs); determines switching frequency and CCM stability margin |
| DNC (Pins 2,3,6,7,9,10,11,13,15,16) | No-connect terminals | Must remain unconnected per datasheet; floating or tied pins may cause malfunction or reliability risk |
Key Features
| Feature | Design Value |
|---|---|
| Four-level switch dimming | Enables user-adjustable brightness in standard AC wall switches-no PWM controller, microcontroller, or wiring changes needed |
| Average current regulation | Eliminates line/load regulation error of peak-current controllers; achieves <±3% LED current variation over 15–450 V VIN range |
| Integrated 450 V VDD regulator | Removes need for external high-voltage bias supply; simplifies BOM and layout while supporting universal AC input (90–305 VAC) |
| Hiccup-mode short-circuit protection | Extends off-time to 750 µs upon 440 mV CS overcurrent, limiting inductor energy and preventing MOSFET failure during LED open/short faults |
| Leading-edge blanking (110–260 ns) | Suppresses gate-charge and drain-node transient spikes at switch turn-on, ensuring accurate current sensing and stable regulation |
Applications
| Smart Residential LED Bulbs | Commercial LED Troffer Fixtures |
|---|---|
Use Scenario: Retrofit A19/E26 screw-base LED bulbs replacing incandescent lamps in homes with legacy wall switches. IC Role / Device Role / Timing Role: Primary LED current controller and switch-dimming sequencer; operates directly from rectified AC without isolation transformer or secondary-side feedback. Use Value: Delivers flicker-free, stepwise dimming using existing infrastructure-no rewiring, no smart hub, no app required-while maintaining ±5% current accuracy across 90–305 VAC input. |
Use Scenario: Linear LED troffers in office ceilings powered from 120/277 VAC mains with manual wall-switch dimming. IC Role / Device Role / Timing Role: Constant-current buck controller with integrated VDD regulation and thermal shutdown; manages up to 20 W LED loads in non-isolated topology. Use Value: Enables Class P (UL 1598) compliance with single-chip solution: eliminates optocoupler, secondary-side controller, and auxiliary winding-reducing bill-of-materials and assembly cost by >15%. |
| Industrial LED High-Bay Lights | Outdoor LED Streetlight Modules |
Use Scenario: High-bay warehouse lighting operating 24/7 under 277 VAC industrial supply with ambient temperatures up to 65°C. IC Role / Device Role / Timing Role: Robust LED driver with 150°C junction rating and hiccup-mode fault recovery; regulates current despite wide input voltage swings and thermal stress. Use Value: Sustains 100% light output over full temperature range without derating; hiccup protection prevents catastrophic failure during LED string degradation-extending field service life beyond 50,000 hours. |
Use Scenario: Modular streetlight heads with AC mains input and requirement for dusk-to-dawn operation plus manual dimming override. IC Role / Device Role / Timing Role: Switch-dimming LED driver with >1 s VDD hold-up; retains last dim level across brief grid interruptions and resets to full brightness after extended outage. Use Value: Supports utility demand-response programs via simple switch cycling-no RS-485, DALI, or wireless interface-while meeting IEC 61000-4-5 surge immunity when paired with appropriate MOV/clamp network. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar switch-dimmable LED driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HV9801ALG-G | Identical electrical specs and dimming functionality; differs only in 8-lead SOIC package (θJA = 101 °C/W vs. 83 °C/W) | Lower power density designs (<8 W) with less thermal margin; unsuitable for enclosed high-power bulbs | Select HV9801ALG-G only when board space is constrained and thermal budget allows ≤650 mW dissipation at TA = 25°C |
| MPQ4312-AEC1 | Requires external PWM dimming signal; lacks integrated switch-dimming logic and 450 V VIN capability; supports only 36 V max input | Suitable for low-voltage DC-powered LED systems (e.g., automotive interior, USB-C PD), not AC mains | Choose MPQ4312-AEC1 only for DC-input applications needing AEC-Q100 qualification-not for AC switch-dimming replacement |
Compared with HV9801ALG-G, the HV9801ANG-G offers 22% lower thermal resistance for higher power handling in compact LED bulbs; versus MPQ4312-AEC1, it delivers complete AC-mains compatibility and zero-external-control dimming-but requires redesign for DC-only systems.
Availability
HV9801ANG-G is available at Aetrix Electronics and suitable for smart residential LED bulbs, commercial troffer fixtures, industrial high-bay lights, outdoor streetlight modules, and retrofit lamp designs requiring stable component supply and long-term manufacturability.
Supply support for HV9801ANG-G 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 global semiconductor company specializing in microcontrollers, analog devices, and timing solutions, with ISO/TS 16949-certified manufacturing and broad distribution.
The HV9801ANG-G belongs to Microchip's switch-dimmable LED driver product line, engineered specifically for cost-sensitive, non-isolated AC-LED lighting that replaces incandescent/halogen bulbs without modifying existing switch infrastructure.
FAQ
What is the maximum input voltage rating for the HV9801ANG-G?
The HV9801ANG-G supports an absolute maximum VIN of 470 V, with recommended continuous operation up to 450 V DC. This rating allows direct connection to the output of a bridge rectifier fed from universal AC mains (90–305 VAC), eliminating the need for external high-voltage pre-regulation. The internal VDD regulator remains functional across this full range, enabling reliable startup and operation even at peak line conditions. Always observe derating guidelines per the datasheet's Absolute Maximum Ratings table when designing for long-term reliability.
How does the HV9801ANG-G implement four-level switch dimming?
The HV9801ANG-G detects rapid AC power cycling at the VIN pin to advance through four discrete brightness levels: 100%, 50%, 25%, and 12.5% LED current. Each on/off cycle within one second increments the dimming state; reaching either endpoint reverses direction. After >1 s power loss, the device resets to 100%. This behavior is fully self-contained-no external microcontroller, memory, or communication interface is required. The HV9801ANG-G uses internal timing circuits and VDD hold-up capacitance (≥175 µF) to retain state during brief outages.
What is the purpose of the RT pin on the HV9801ANG-G?
The RT pin on the HV9801ANG-G programs the constant off-time (TOFF) of the buck converter via an external resistor to ground. TOFF ranges from 1.5 µs to 40.3 µs depending on RT value (30 kΩ to 1 MΩ), directly determining switching frequency and influencing inductor selection and CCM stability. For example, RT = 226 kΩ yields TOFF ≈ 40 µs, resulting in ~150 kHz operation at 120 VAC input. Accurate TOFF setting ensures optimal efficiency, ripple control, and compliance with EMI standards in the final LED driver design.
Does the HV9801ANG-G require an external MOSFET, and what are its gate drive specifications?
Yes, the HV9801ANG-G requires an external N-channel MOSFET controlled via its GATE pin. The driver delivers 165 mA sink and source current, with 30–50 ns rise/fall times into 500 pF load, enabling efficient switching at frequencies up to 160 kHz. Gate drive voltage swings from 0 V to VDD (7.5 V), so the selected MOSFET must have a VGS(th) well below 7.5 V and sufficient RDS(on) headroom at VGS = 7.5 V. No bootstrap or high-side driver is needed-the HV9801ANG-G operates in low-side buck configuration only.
How does short-circuit protection work in the HV9801ANG-G?
The HV9801ANG-G monitors the CS pin voltage and triggers hiccup-mode protection when it exceeds 440 mV-indicating 176% of nominal LED current. Upon detection, the device extends off-time to ~750 µs, allowing inductor current to decay safely before attempting restart. This cycle repeats until the fault clears. Unlike latch-off protection, hiccup mode prevents thermal runaway and enables automatic recovery after LED string reconnection or fault removal-critical for field-replaceable LED modules where intermittent opens/shorts may occur during maintenance or aging.
HV9801ANG-G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- AC DC Offline Switcher
- Topology:
- Step-Down (Buck)
- Internal Switch(s):
- No
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 15V
- Voltage - Supply (Max):
- 450V
- Voltage - Output:
- 7.5V
- Current - Output / Channel:
- -
- Frequency:
- 1.2kHz
- Dimming:
- PWM
- Applications:
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
HV9801ANG-G FAQ
1.How can I place an order for HV9801ANG-G through Aetrix?
Please submit a Request for Quotation (RFQ) for HV9801ANG-G 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 HV9801ANG-G reliable?
The price and inventory of HV9801ANG-G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HV9801ANG-G is usually 5 days.
3.What payment methods are accepted for HV9801ANG-G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HV9801ANG-G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HV9801ANG-G?
HV9801ANG-G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HV9801ANG-G 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 HV9801ANG-G?
For technical support, including HV9801ANG-G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HV9801ANG-G requirements.
6.How does Aetrix verify that HV9801ANG-G is sourced from the original manufacturer or authorized distributors?
All HV9801ANG-G 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 HV9801ANG-G meets industry standards.
7.What is the process for return or replacement of HV9801ANG-G?
All HV9801ANG-G units undergo pre-shipment inspection (PSI). If there is an issue with HV9801ANG-G, 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 HV9801ANG-G part is unused and in its original packaging.
Return procedure for HV9801ANG-G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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