My Inquiry
My Account
Diodes Incorporated AP3064AFNTR-G1
- Part No.:
- AP3064AFNTR-G1
- Manufacturer:
- Diodes Incorporated
- Category:
- LED Drivers
- Package:
- 16-WQFN Exposed Pad
- Datasheet:
-
AP3064AFNTR-G1.pdf
- Description:
- IC LED DRVR CTRL PWM 220MA 16QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,702
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AP3064AFNTR-G1 from Diodes Incorporated is a four-channel WLED backlight boost controller with integrated current sinks, operating from 4.5V to 33V input and delivering up to 220mA per string with ±1.5% typical current matching. It features programmable switching frequency (100kHz–1MHz), external PWM dimming, and comprehensive protection including OVP, OTP, LED open/short, and Schottky diode fault detection. Used in LCD TV and monitor backlight systems requiring precise multi-string current regulation.
For engineers reviewing the AP3064AFNTR-G1 datasheet, AP3064AFNTR-G1 pinout, AP3064AFNTR-G1 application, or AP3064AFNTR-G1 equivalent, this page delivers verified technical context, QFN-4×4-16 package mapping, real-world protection thresholds (e.g., 2.0V OVP trigger, 7.3V LED short threshold), and design-critical parameters like 540mV current limit and 160°C thermal shutdown.
Technical Context
The AP3064AFNTR-G1 implements a fixed-frequency current-mode boost controller architecture with four independent current-sink channels, each driven by a shared power switch and regulated via external ISET resistor. Its internal error amplifier (2300 µA/V transconductance) and COMP pin enable stable loop compensation for varying LED forward voltage stacks up to 60V.
Protection logic operates hierarchically: UVLO (3.8V turn-on with 200mV hysteresis) enables startup; cycle-by-cycle OCP triggers at 540mV on CS pin; OVP latches at 2.0V on OVP pin with 250mV hysteresis; and LED short detection activates when CHx voltage exceeds 7.3V while dimming is active.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V to 33V - supports wide-range industrial and display power rails without pre-regulation. |
| Max Output Current per String | 220mA - sufficient for driving 13-series white LEDs at full brightness in LCD backlight applications. |
| Current Matching Accuracy | ±1.5% (typ) - ensures uniform luminance across four parallel LED strings without manual calibration. |
| Switching Frequency Range | 100kHz to 1MHz - adjustable via RT pin resistor to optimize size (high-freq) vs. efficiency (low-freq). |
| OVP Threshold | 2.0V on OVP pin - corresponds to ~36V output with standard ROV1/ROV2 divider, preventing overvoltage damage. |
| Thermal Shutdown Temp | +160°C - protects against sustained overload or poor PCB thermal design in enclosed displays. |
| LED Short Detection Threshold | 7.3V on CHx pins - identifies failed low-Vf LED strings before catastrophic current runaway occurs. |
Pinout & Package
AP3064AFNTR-G1 is packaged in a lead-free, RoHS-compliant QFN-4×4-16 with exposed thermal pad (EP). The 4mm × 4mm footprint supports high-power density layout and efficient heat dissipation in space-constrained backlight modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (EP) | Exposed Pad | Thermal and electrical ground connection - must be soldered to PCB copper pour for thermal management and noise reduction. |
| 1 | CH4 | Current sink output for LED string 4 - left open if unused; supports up to 220mA sink current. |
| 2 | ISET | Reference current setting - connects to GND via resistor to program all four string currents simultaneously (e.g., 12kΩ = 100mA). |
| 3 | OVP | Over-voltage sense input - monitors output via resistive divider; triggers shutdown at 2.0V with 250mV hysteresis. |
| 4 | RT | Frequency control - sets oscillator frequency from 100kHz–1MHz using resistor to GND (e.g., 100kΩ ≈ 520kHz). |
| 5 | EN | Enable control - IC enabled above 2.4V, disabled below 0.5V; draws <0.1µA in shutdown mode. |
| 6 | CS | Current sense input - monitors MOSFET source voltage; trips OCP at 540mV with 100ns blanking time. |
| 7 | OUT | N-MOSFET gate driver output - delivers 5V or VIN−0.5V swing to drive external high-side switch. |
| 8 | VCC | Internal 5V LDO output - powers internal circuitry; requires ≥2.2µF ceramic bypass capacitor to GND. |
| 9 | VIN | Main supply input - accepts 4.5V–33V; requires local 10µF ceramic capacitor for stability. |
| 10 | STATUS | Open-drain fault indicator - pulls low on LED open, short, OVP, OTP, or VOUT short conditions. |
| 11 | COMP | Error amplifier compensation node - connects RC network to stabilize feedback loop for varying LED loads. |
| 12 | DIM | PWM dimming input - accepts 100Hz–20kHz logic-level signal to modulate LED brightness from 1% to 100%. |
| 13 | CH1 | Current sink output for LED string 1 - identical function to CH4; supports same current range and protection. |
| 14 | CH2 | Current sink output for LED string 2 - electrically isolated channel with independent open/short detection. |
| 15 | GND | Analog/digital ground reference - must be tied to EP and system ground plane with low-inductance path. |
| 16 | CH3 | Current sink output for LED string 3 - fourth independent channel; shares ISET programming but has dedicated fault sensing. |
Key Features
| Feature | Design Value |
|---|---|
| Four independent current sinks | Enables simultaneous, matched drive of four LED strings without external current mirrors or op-amps. |
| Programmable OVP with hysteresis | 2.0V trigger + 250mV hysteresis allows robust output voltage monitoring without false trips during transients. |
| External PWM dimming interface | Direct logic-level DIM pin accepts 100Hz–20kHz signals for flicker-free brightness control without analog filtering. |
| Integrated Schottky/inductor short protection | Detects CS voltage >800mV for >16 cycles - prevents MOSFET destruction during diode or inductor failure. |
| VOUT short / Schottky open detection | OVP pin <0.1V triggers immediate shutdown - protects boost stage when output is shorted or diode fails open. |
Applications
| LCD Monitor Backlight | LCD TV Backlight |
|---|---|
|
Use Scenario: Driving 4 parallel strings of 12–15 white LEDs behind a 24-inch IPS panel with dynamic dimming. IC Role / Device Role / Timing Role: Four-channel current regulator and boost controller managing constant-current LED drive and fault-safe shutdown. Use Value: ±1.5% current matching eliminates visible brightness banding; STATUS pin enables system-level fault logging without additional sensors. |
Use Scenario: Powering edge-lit LED arrays in 43-inch 4K UHD television with local dimming zones. IC Role / Device Role / Timing Role: High-efficiency boost controller with programmable frequency (500kHz) to minimize EMI in dense PCB layouts. Use Value: 100kHz–1MHz frequency adjustment allows optimal trade-off between inductor size and switching loss across varied panel sizes. |
| Industrial Display Module | Medical Imaging Display |
|
Use Scenario: Backlighting ruggedized 10.1-inch HMI display operating in −40°C to +85°C ambient. IC Role / Device Role / Timing Role: Thermally robust LED driver with +160°C shutdown and −40°C startup capability. Use Value: UVLO hysteresis (200mV) prevents oscillation during cold-start brownouts; QFN-4×4-16 package ensures reliable thermal performance. |
Use Scenario: Driving diagnostic-grade grayscale LED backlight in DICOM-compliant radiology monitor. IC Role / Device Role / Timing Role: Precision current source with <4% total current mismatch across temperature and line variations. Use Value: 220mA max per string supports high-brightness operation; open/short LED protection maintains display integrity during field service. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar four-channel WLED boost driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AL8863-2DTR-E1 (Diodes Inc.) | Single-channel, 1.5A max, no integrated OVP pin - requires external resistor divider and comparator for overvoltage response. | Limited to single-string designs; lacks multi-string current matching and STATUS fault reporting. | Select when only one LED string is needed and board space permits discrete OVP implementation. |
| LM3409QMYX/NOPB (TI) | Single-channel, 3A capable, analog/digital dimming support - no native multi-string current matching or CHx-specific fault isolation. | Requires external current mirrors for multi-string use; fault detection limited to global OCP/OTP. | Choose for high-current single-string applications where analog dimming and automotive AEC-Q100 qualification are required. |
Compared with AL8863-2DTR-E1 and LM3409QMYX/NOPB, the AP3064AFNTR-G1 uniquely integrates four matched current sinks, per-string open/short detection, and a dedicated STATUS pin - eliminating external components and enabling true plug-and-play multi-string backlight design.
Availability
AP3064AFNTR-G1 is available at Aetrix Electronics and suitable for LCD monitor backlighting, LCD TV backlighting, and industrial display module applications requiring stable component supply, RoHS/Green compliance, and QFN thermal performance.
Supply support for AP3064AFNTR-G1 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in power management, signal integrity, and lighting solutions for consumer, industrial, and automotive markets.
The AP3064 belongs to Diodes' WLED backlight driver product line, engineered specifically for high-efficiency, multi-string LCD backlight systems demanding precision current matching, compact packaging, and comprehensive fault protection.
FAQ
What is the minimum input voltage required for AP3064AFNTR-G1 to start switching?
The AP3064AFNTR-G1 incorporates an under-voltage lockout (UVLO) circuit that disables operation until the VCC pin reaches 3.8V. Since VCC is internally regulated from VIN, the minimum functional VIN is 4.5V - below which the device remains in shutdown with supply current less than 0.1µA.
How is LED current programmed, and what resistor value sets 150mA per string?
LED current is set by connecting a resistor (RISET) between ISET pin and GND. Per the datasheet formula ILED = 1200 mA × (1 kΩ / RISET), a 8kΩ resistor yields 150mA per string. Tolerance of the resistor directly affects absolute current accuracy, while matching relies on internal circuit symmetry.
Does AP3064AFNTR-G1 support analog dimming, or is it PWM-only?
The AP3064AFNTR-G1 supports only external PWM dimming via the DIM pin - it does not include an analog dimming interface. The PWM signal must be logic-level (2.5V high, 0.3V low), with frequency between 100Hz and 20kHz; duty cycle directly controls average LED current from 1% to 100% of programmed maximum.
What happens when one LED string opens during operation?
When any CHx pin voltage drops below 100mV (indicating open string), the AP3064AFNTR-G1 automatically disables that channel while maintaining regulation on remaining strings. If all four strings open, VOUT rises until the OVP pin reaches 2.0V, triggering full shutdown with STATUS pulled low and OUT disabled.
AP3064AFNTR-G1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 16-WQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- DC DC Controller
- Topology:
- Step-Up (Boost)
- Internal Switch(s):
- No
- Number of Outputs:
- 4
- Voltage - Supply (Min):
- 4.5V
- Voltage - Supply (Max):
- 33V
- Voltage - Output:
- 60V
- Current - Output / Channel:
- 220mA
- Frequency:
- 100kHz ~ 1MHz
- Dimming:
- PWM
- Applications:
- Backlight
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QFN (4x4)
AP3064AFNTR-G1 FAQ
1.How can I place an order for AP3064AFNTR-G1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP3064AFNTR-G1 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 AP3064AFNTR-G1 reliable?
The price and inventory of AP3064AFNTR-G1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP3064AFNTR-G1 is usually 5 days.
3.What payment methods are accepted for AP3064AFNTR-G1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP3064AFNTR-G1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP3064AFNTR-G1?
AP3064AFNTR-G1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP3064AFNTR-G1 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 AP3064AFNTR-G1?
For technical support, including AP3064AFNTR-G1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP3064AFNTR-G1 requirements.
6.How does Aetrix verify that AP3064AFNTR-G1 is sourced from the original manufacturer or authorized distributors?
All AP3064AFNTR-G1 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 AP3064AFNTR-G1 meets industry standards.
7.What is the process for return or replacement of AP3064AFNTR-G1?
All AP3064AFNTR-G1 units undergo pre-shipment inspection (PSI). If there is an issue with AP3064AFNTR-G1, 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 AP3064AFNTR-G1 part is unused and in its original packaging.
Return procedure for AP3064AFNTR-G1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AP3064AFNTR-G1 Tags
-
BCR402RE6327HTSA1
Infineon Technologies
-
BCR430UXTSA2
Infineon Technologies
-
BCR420UE6433HTMA1
Infineon Technologies
-
BCR420UE6327HTSA1
Infineon Technologies
-
BCR421UE6327HTSA1
Infineon Technologies
-
LYT1604D-TL
Power Integrations
-
HV9910CLG-G
Microchip Technology
-
CL2N8-G
Microchip Technology
-
BCR420UW6-7
Diodes Incorporated
-
BCR421UW6-7
Diodes Incorporated
-
BCR420UFD-7
Diodes Incorporated
-
BCR421UFD-7
Diodes Incorporated
Tech Hub
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
