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Renesas ISL98602IRABZ
- Part No.:
- ISL98602IRABZ
- Manufacturer:
- Renesas
- Category:
- Special Purpose Regulators
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
ISL98602IRABZ.pdf
- Description:
- IC REG CTRLR/CONV 5OUT 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,133
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Product details
Overview
ISL98602IRABZ from Renesas (formerly Intersil) is a 5-channel LCD display power management IC integrating a 5.5A boost converter for AVDD (up to 19V), dual charge pumps for VON (up to +36V/120mA) and VOFF (down to −10V/120mA), one synchronous buck regulator (3.3V/2.5V, 2.0A peak FET), and one synchronous buck controller (0.9V–2.0V output). It serves as the core power supply for large-panel LCD TVs.
For engineers reviewing the ISL98602IRABZ datasheet, ISL98602IRABZ pinout, ISL98602IRABZ application, or ISL98602IRABZ equivalent, key selection considerations include its integrated VON slice function for flicker reduction, 1.3MHz switching frequency enabling compact magnetics, AVDD delay switch, power good signaling for TCON enable, and full protection suite (OVP/UVP/OTP/OCP/UVLO).
Technical Context
The ISL98602IRABZ implements a high-efficiency, multi-rail power architecture optimized for timing controller (TCON)-driven LCD panels. Its boost converter uses far-side feedback sensing and an integrated 5.5A FET to regulate AVDD up to 19V, while OVP safeguards downstream components. The VON charge pump operates at full switching frequency with integrated driver and post-processing via on-die slicing circuitry to suppress panel flicker.
Two logic rails are generated independently: Buck1 delivers fixed 3.3V or 2.5V using internal or resistor-set feedback and includes soft-start; Buck2 is a controller-only stage supporting 0.9V–2.0V outputs with external MOSFETs and integrated overcurrent protection. All channels coordinate automatic start-up sequencing and share a common 1.3MHz clock.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 9.5V to 15.0V - supports standard 12V DC input with margin for line drop and ripple. |
| AVDD Boost Output | Up to 19V @ 5.5A - powers source driver ICs in large LCD panels without external boost stages. |
| VON Charge Pump | +36V @ 120mA - drives gate-on voltage for TFT gate lines with integrated flicker-reduction slicing. |
| VOFF Charge Pump | −10V @ 120mA - supplies gate-off voltage with matched current capability to VON for balanced panel biasing. |
| Buck1 Output | 3.3V or 2.5V @ 2.0A peak - powers TCON logic and interface circuits with internal or resistor-programmable regulation. |
| Buck2 Controller Range | 0.9V–2.0V - enables flexible logic rail generation (e.g., 1.8V I/O, 1.2V core) using external high-side/low-side MOSFETs. |
| Switching Frequency | 1.3MHz - allows use of small, low-ESR ceramic capacitors and compact inductors in space-constrained TV designs. |
| Operating Temperature | −40°C to +85°C ambient - qualified for consumer and industrial-grade LCD TV environments. |
Pinout & Package
ISL98602IRABZ is housed in a thermally enhanced 40-lead 6mm × 6mm QFN package with exposed thermal pad. Pin assignment follows the top-view layout defined in FN7699 Rev 3.00.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN | Enable Input | Active-high logic input controlling global device startup and sequencing initiation. |
| PGND1–PGND4 | Power Ground Terminals | Dedicated ground returns per power domain (boost, buck1, buck2, charge pumps) minimize noise coupling and improve regulation stability. |
| SWIN / SW1 / SW2 / CPG / DRVP / DRVN | Switch Node Connections | Direct connection points for external inductors, charge pump capacitors, and MOSFET gates-optimized for low-inductance layout. |
| AVDD / FBP / FBN / COMP / COMPB1 / COMPB2 | Feedback & Compensation | Analog nodes for output voltage sensing, loop compensation, and stability tuning across all five regulated rails. |
| GHC / GHON / YV1C / SUPP / SUPN | Gate Drive & Bias | High-side/low-side gate drivers and bootstrap/bias supplies for synchronous rectification and charge pump operation. |
| PGOOD | Power Good Output | Open-drain signal asserting when all outputs meet regulation and sequencing thresholds-used to enable TCON. |
Key Features
| Feature | Design Value |
|---|---|
| VON Slice Circuitry | On-die analog processing reduces VON voltage ripple and temporal variation, directly suppressing vertical line flicker in large LCD panels. |
| AVDD Delay Switch | Integrated MOSFET delays AVDD ramp relative to other rails to prevent latch-up during power-up sequencing. |
| Automatic Sequencing | Hardware-controlled startup order eliminates need for external sequencer ICs or firmware coordination in TCON systems. |
| Comprehensive Protection | Integrated UVLO, UVP, OVP, OCP, and OTP detect fault conditions and shut down affected channels without system reset. |
| Far-Side AVDD Feedback | Sense point located after the AVDD delay FET improves load regulation accuracy under dynamic panel current demands. |
Applications
| LCD TV Panel Power | TCON Power Management |
|---|---|
Use Scenario: Powering 40–85 inch LCD TV panels requiring AVDD, VON, VOFF, and dual logic rails. IC Role / Device Role / Timing Role: Central multi-rail PMIC delivering all bias and logic voltages to source/gate drivers and timing controller. Use Value: Eliminates discrete DC/DC and charge pump solutions, reducing BOM count by ≥7 components and PCB area by >35%. | Use Scenario: Supplying regulated 3.3V/2.5V and 1.8V rails to timing controller ASICs with precise sequencing. IC Role / Device Role / Timing Role: Integrated buck + buck controller provides independent, sequenced logic supplies with PGOOD handshaking. Use Value: Ensures TCON initialization only after stable AVDD, VON, and VOFF-preventing display artifacts during boot. |
| Flicker-Sensitive Display Systems | Industrial LCD Monitor Power |
Use Scenario: High-resolution commercial displays where VON ripple causes visible vertical banding. IC Role / Device Role / Timing Role: VON charge pump with integrated slicing circuitry actively filters switching harmonics before panel connection. Use Value: Reduces VON peak-to-peak ripple by ≥40% vs. non-sliced charge pumps, meeting stringent flicker specifications. | Use Scenario: Ruggedized monitors operating continuously in −30°C to +70°C ambient environments. IC Role / Device Role / Timing Role: Single-chip solution qualified over −40°C to +85°C with robust thermal pad and fault recovery. Use Value: Enables extended temperature operation without derating or external thermal management components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LCD display power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RTQ2132B-QA | 3-channel PMIC (boost + dual buck); no VON/VOFF charge pumps or VON slice; max AVDD = 16V. | Targeted at smaller panels (<32") with simpler bias requirements; lacks flicker suppression capability. | Select when only AVDD + logic rails needed and panel size/flicker specs permit simplified architecture. |
| TPS65150RGER | 5-channel PMIC with VON/VOFF charge pumps but no integrated VON slice; AVDD boost limited to 15V; no AVDD delay switch. | Used in mid-size LCDs; requires external flicker mitigation and has looser AVDD regulation under transient loads. | Choose if cost sensitivity outweighs flicker performance and AVDD delay is managed externally. |
Compared with RTQ2132B-QA and TPS65150RGER, the ISL98602IRABZ uniquely integrates VON slicing and AVDD delay switching-critical for flicker-free operation and reliable TCON enable in large-panel LCD TVs-while delivering higher AVDD headroom (19V) and tighter regulation via far-side feedback.
Availability
ISL98602IRABZ is available at Aetrix Electronics and suitable for LCD TV panel power, TCON power management, flicker-sensitive display systems, and industrial LCD monitor power requiring stable component supply and long-term lifecycle support.
Supply support for ISL98602IRABZ 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
Renesas Electronics Corporation acquired Intersil in 2017 and maintains its high-performance analog and power management portfolio for industrial, automotive, and consumer applications.
The ISL98602IRABZ belongs to Renesas' LCD display power management product line, engineered specifically to consolidate AVDD, VON, VOFF, and logic rail generation into a single IC for large-format television panels.
FAQ
What is the primary function of the ISL98602IRABZ in LCD TV systems?
The ISL98602IRABZ serves as the central power management IC for large-panel LCD TVs, generating all required bias voltages: AVDD (up to 19V), VON (+36V), VOFF (−10V), and two logic rails (3.3V/2.5V and 0.9V–2.0V). Its integrated VON slice and AVDD delay switch ensure flicker-free display startup and reliable TCON enable sequencing. The ISL98602IRABZ replaces multiple discrete regulators and charge pumps in the power tree.
Does the ISL98602IRABZ support programmable output voltages for its buck regulators?
The ISL98602IRABZ supports fixed 3.3V or 2.5V output on Buck1 via internal resistor divider or external feedback resistors; Buck2 is a controller only, allowing full programmability from 0.9V to 2.0V using external resistor dividers on the FB node. AVDD, VON, and VOFF outputs are factory-trimmed fixed voltages-no digital programming interface is present. The ISL98602IRABZ does not include I²C or SPI configuration.
How does the VON slice function in the ISL98602IRABZ reduce display flicker?
The ISL98602IRABZ incorporates dedicated on-die analog circuitry that filters high-frequency switching noise and smooths transient variations in the VON charge pump output before delivery to the panel. This slicing action reduces peak-to-peak ripple by ≥40% compared to standard charge pumps, directly suppressing vertical line flicker in large LCD panels. The ISL98602IRABZ achieves this without external components or firmware intervention.
What thermal management features does the ISL98602IRABZ include?
The ISL98602IRABZ features a 40-lead 6mm × 6mm QFN package with an exposed thermal pad, designed for direct PCB copper pour attachment to dissipate heat from its 5.5A boost FET and dual charge pumps. It integrates thermal shutdown (OTP) that disables all channels if die temperature exceeds +150°C. The ISL98602IRABZ is specified for continuous operation from −40°C to +85°C ambient with appropriate board-level thermal design.
Can the ISL98602IRABZ be used in applications outside LCD TV panels?
While optimized for large-panel LCD TVs, the ISL98602IRABZ is applicable in any system requiring tightly sequenced, high-current AVDD plus bipolar gate bias (VON/VOFF) and dual logic rails-such as medical imaging displays, digital signage, and industrial HMI panels. Its −40°C to +85°C rating and comprehensive protection make it suitable for demanding environments. However, the ISL98602IRABZ's VON slice and AVDD delay are specifically tuned for LCD panel characteristics and may offer no benefit in non-LCD applications.
ISL98602IRABZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 40-VFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Applications:
- Controller/Converter, LCD Supply
- Voltage - Input:
- 9.5V ~ 15V
- Number of Outputs:
- 5
- Voltage - Output:
- Adjustable
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-QFN (6x6)
ISL98602IRABZ FAQ
1.How can I place an order for ISL98602IRABZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL98602IRABZ 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 ISL98602IRABZ reliable?
The price and inventory of ISL98602IRABZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL98602IRABZ is usually 5 days.
3.What payment methods are accepted for ISL98602IRABZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL98602IRABZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL98602IRABZ?
ISL98602IRABZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL98602IRABZ 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 ISL98602IRABZ?
For technical support, including ISL98602IRABZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL98602IRABZ requirements.
6.How does Aetrix verify that ISL98602IRABZ is sourced from the original manufacturer or authorized distributors?
All ISL98602IRABZ 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 ISL98602IRABZ meets industry standards.
7.What is the process for return or replacement of ISL98602IRABZ?
All ISL98602IRABZ units undergo pre-shipment inspection (PSI). If there is an issue with ISL98602IRABZ, 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 ISL98602IRABZ part is unused and in its original packaging.
Return procedure for ISL98602IRABZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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