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Analog Devices Inc. ADP3041ARUZ-REEL
- Part No.:
- ADP3041ARUZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Special Purpose Regulators
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADP3041ARUZ-REEL.pdf
- Description:
- IC REG BOOST ADJ 1.5A 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,794
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Product details
Overview
ADP3041ARUZ-REEL from Analog Devices is a fixed-frequency PWM boost regulator with integrated 1.5 A power switch and five rail-to-rail gamma/VCOM buffers, delivering up to 12 V output from 2.5–5.5 V input in a TSSOP-20 package. It achieves ±3% output regulation accuracy, 90% efficiency at 200 mA load, and 600 kHz switching frequency for compact external components. It is engineered for TFT LCD panel bias supplies requiring local point-of-use power conversion and precise gamma voltage generation.
For engineers reviewing the ADP3041ARUZ-REEL datasheet, ADP3041ARUZ-REEL pinout, ADP3041ARUZ-REEL application, or ADP3041ARUZ-REEL equivalent, key selection criteria include verified 1.5 A peak switch current limit, confirmed 5-buffer architecture with 35 mA per buffer output drive, validated soft-start timing via SS pin, and documented TSSOP-20 thermal performance (θJA = 112°C/W on 4-layer board).
Technical Context
The ADP3041ARUZ-REEL operates in current-mode PWM control with internal ramp generation synchronized to a 600 kHz oscillator and factory-trimmed 1.5 A peak current limit. Its error amplifier features 100 µA/V transconductance and 1000 V/V gain, driving a comparator that regulates duty cycle based on feedback voltage (1.233 V nominal) and sensed switch current.
Five independent buffers-each with rail-to-rail I/O, 35 mA continuous output, and <250 mV VOL at 5 mA-share a common AVCC supply and are isolated from the power-switch ground (PGND) to prevent noise coupling. Soft start is implemented via internal 2.5 µA current charging an external capacitor on the SS pin, while undervoltage lockout activates below 2.2 V with 130 mV hysteresis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.5 V to 5.5 V - supports single-cell Li-ion, 3.3 V logic rails, and USB-powered TFT modules. |
| Output Voltage Range | 4.5 V to 12 V - adjustable via external resistor divider; enables flexible gamma/VCOM rail generation. |
| Switch Current Limit | 1.5 A typical - ensures robust operation under transient load steps without external current sensing. |
| Feedback Reference Voltage | 1.233 V ±18 mV - defines output setpoint accuracy; enables ≤3% overall regulation including line/temp drift. |
| Quiescent Supply Current | 500 µA max - minimizes standby power in always-on display subsystems. |
| Buffer Output Drive | 35 mA per channel - sustains stable gamma voltage under typical 10–100 nF LCD column capacitance loads. |
| Switching Frequency | 600 kHz ±200 kHz - allows use of sub-10 µH inductors and MLCCs, reducing PCB area vs. lower-frequency alternatives. |
Pinout & Package
TSSOP-20 package (4.4 mm × 6.5 mm, 0.65 mm pitch), Pb-free, with exposed thermal pad (not electrically connected). Separate PGND and AGND pins isolate high-current switching return from analog signal reference.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SW | Switching Node Output | Drives external inductor; connects to diode anode; carries pulsed 1.5 A peak current. |
| IN | Main Power Input | Supplies both controller logic and power switch; accepts 2.5–5.5 V with UVLO protection. |
| SD | Shutdown Control | Active-low digital enable; <0.8 V disables regulator and buffers; >2.2 V enables full operation. |
| FB | Feedback Sense Input | Monitors resistor-divider output; compares to 1.233 V reference to regulate VOUT. |
| COMP | Compensation Node | Connects external RC network to stabilize loop; sets pole-zero placement for RHP zero mitigation. |
| SS | Soft Start Timer | Charged by 2.5 µA internal current; controls ramp-up of COMP voltage to limit inrush. |
| G1I–G4I, VCMI | Buffer Input Channels | Rail-to-rail analog inputs for gamma and VCOM reference voltages; each drives dedicated output. |
| G1O–G4O, VCMO | Buffer Output Channels | Deliver 35 mA each; low VOL/VOL ensures accurate gamma voltage replication under capacitive load. |
| AVCC | Buffer Power Supply | Separate 4.5–12 V supply for all five buffers; decoupled from main IN/PGND to reduce noise coupling. |
| AGND / PGND | Analog & Power Grounds | Independent returns prevent switching noise from modulating buffer offset or gain. |
Key Features
| Feature | Design Value |
|---|---|
| Fully integrated 1.5 A MOSFET switch | Eliminates external high-side switch and gate driver; reduces BOM count and layout complexity. |
| Five independent rail-to-rail buffers | Enables single-chip gamma correction for 4-segment TFT panels without external op-amps or level shifters. |
| 3% total output regulation accuracy | Guarantees stable VCOM and gamma voltages across temperature (-40°C to +85°C) and line/load variations. |
| 600 kHz fixed-frequency PWM | Permits use of small, low-DCR inductors (e.g., 4.7 µH) and ceramic output capacitors (<10 µF ESR). |
| Internal soft start with external timing | Prevents inrush current into large LCD panel capacitance; SS pin allows programmable startup time. |
Applications
| Gamma Voltage Generation | VCOM Bias Supply |
|---|---|
Use Scenario: Generating four precision gamma reference voltages (G1–G4) for active-matrix TFT LCD source drivers. IC Role / Device Role / Timing Role: ADP3041ARUZ-REEL buffers replicate analog gamma DAC outputs with rail-to-rail swing and 35 mA drive into column capacitance. Use Value: Eliminates need for four discrete op-amps; maintains grayscale fidelity by minimizing output droop during pixel charging. | Use Scenario: Providing stable common electrode (VCOM) bias for TFT LCD panels with dynamic inversion. IC Role / Device Role / Timing Role: ADP3041ARUZ-REEL VCOM buffer delivers low-noise, low-impedance 5–6 V output synchronized to display frame rate. Use Value: Reduces flicker and crosstalk by maintaining VCOM stability within ±10 mV under 100 nF load steps. |
| Compact Boost Converter | Multi-Rail LCD Power Module |
Use Scenario: Stepping up 3.3 V system rail to 10–12 V for TFT gate driver (VGH/VGL) supplies. IC Role / Device Role / Timing Role: ADP3041ARUZ-REEL functions as primary boost stage with current-mode control and 600 kHz switching. Use Value: Achieves 90% efficiency at 200 mA load using <3 mm × 3 mm inductor, enabling ultra-thin display modules. | Use Scenario: Consolidating gamma, VCOM, and gate driver power rails into one IC for portable medical or industrial displays. IC Role / Device Role / Timing Role: ADP3041ARUZ-REEL integrates power conversion and analog buffering in single TSSOP-20 footprint. Use Value: Cuts component count by ≥7 parts vs. discrete boost + op-amp solution; simplifies thermal management. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TFT LCD bias supply applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS65105RGER | Single 1.2 A boost channel + 4 gamma buffers; no VCOM buffer; 1.2 MHz switching; requires external VCOM generator. | Limited to 4-channel gamma; unsuitable for VCOM-critical high-resolution panels. | Select when only gamma rails are needed and board space favors higher-frequency operation. |
| MAX1627EUB+ | 1.5 A boost regulator only; no integrated buffers; requires external op-amps for gamma/VCOM; 500 kHz switching. | Higher BOM cost and layout complexity; lacks rail-to-rail buffer I/O capability. | Select when existing design uses discrete buffers and only needs regulated boost output. |
Compared with TPS65105RGER and MAX1627EUB+, the ADP3041ARUZ-REEL uniquely combines five rail-to-rail buffers-including dedicated VCOM-with a 1.5 A boost regulator in one TSSOP-20 package, enabling complete TFT panel power and gamma solution without external amplifiers or supplemental regulators.
Availability
ADP3041ARUZ-REEL is available at Aetrix Electronics and suitable for TFT LCD module manufacturing, portable medical display systems, and industrial HMI panels requiring stable component supply with guaranteed long-term availability.
Supply support for ADP3041ARUZ-REEL 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and consumer markets.
The ADP3041ARUZ-REEL belongs to Analog Devices' TFT LCD power management product line, designed specifically to integrate high-efficiency boost conversion with precision gamma/VCOM buffering for space-constrained display applications.
FAQ
What is the maximum output voltage achievable with the ADP3041ARUZ-REEL?
The ADP3041ARUZ-REEL supports an adjustable output voltage range from 4.5 V to 12 V, set by an external resistor divider on the FB pin. The internal 1.233 V reference and ±3% regulation accuracy ensure stable operation across this range. Operation above 12 V is not supported and exceeds absolute maximum ratings for the SW pin (14 V).
Can the ADP3041ARUZ-REEL drive standard TFT LCD column capacitance without external buffering?
Yes. Each of the five ADP3041ARUZ-REEL buffers delivers 35 mA continuous output current with rail-to-rail I/O and <250 mV VOL at 5 mA, enabling direct drive of typical TFT column loads (≤100 nF) without external op-amps. Measured slew rate (4.5–8 V/µs) and bandwidth (8 MHz) confirm adequate transient response for 60 Hz frame rates.
How does the ADP3041ARUZ-REEL handle input undervoltage conditions?
The ADP3041ARUZ-REEL incorporates undervoltage lockout (UVLO) with a 2.2 V to 2.5 V threshold and 130 mV hysteresis. When VIN drops below 2.2 V, the device shuts down both the boost regulator and all five buffers, preventing erratic operation or brownout-induced gamma errors. Recovery occurs only after VIN rises above 2.5 V.
Is the ADP3041ARUZ-REEL compatible with Pb-free reflow processes?
Yes. The ADP3041ARUZ-REEL is a Pb-free part (per ordering guide suffix "Z") and qualified for standard lead-free reflow profiles, including peak temperatures up to 260°C for 10 seconds. Its TSSOP-20 package meets JEDEC J-STD-020 moisture sensitivity level 3 requirements.
What compensation components are recommended for stable operation of the ADP3041ARUZ-REEL?
For most applications, a series RC network from COMP to AGND is required: RC between 5 kΩ and 400 kΩ, and CC between 100 pF and 10 nF. Typical values are RC = 47 kΩ and CC = 1 nF, selected to place a dominant pole near 10 kHz and cancel the right-half-plane zero induced by the boost topology under nominal load.
ADP3041ARUZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Cut Tape (CT)
- Product Status:
- Obsolete
- Applications:
- Converter, TFT LCD
- Voltage - Input:
- 2.5V ~ 5.5V
- Number of Outputs:
- 1
- Voltage - Output:
- 4.5V ~ 12V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP
ADP3041ARUZ-REEL FAQ
1.How can I place an order for ADP3041ARUZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP3041ARUZ-REEL 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 ADP3041ARUZ-REEL reliable?
The price and inventory of ADP3041ARUZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP3041ARUZ-REEL is usually 5 days.
3.What payment methods are accepted for ADP3041ARUZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP3041ARUZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP3041ARUZ-REEL?
ADP3041ARUZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP3041ARUZ-REEL 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 ADP3041ARUZ-REEL?
For technical support, including ADP3041ARUZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP3041ARUZ-REEL requirements.
6.How does Aetrix verify that ADP3041ARUZ-REEL is sourced from the original manufacturer or authorized distributors?
All ADP3041ARUZ-REEL 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 ADP3041ARUZ-REEL meets industry standards.
7.What is the process for return or replacement of ADP3041ARUZ-REEL?
All ADP3041ARUZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADP3041ARUZ-REEL, 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 ADP3041ARUZ-REEL part is unused and in its original packaging.
Return procedure for ADP3041ARUZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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