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Renesas RAA230409GNP#HA0
- Part No.:
- RAA230409GNP#HA0
- Manufacturer:
- Renesas
- Category:
- Voltage Regulators - Linear + Switching
- Package:
- 32-VQFN
- Datasheet:
-
RAA230409GNP#HA0.pdf
- Description:
- IC REG QD BUCK/LNR SYNC 32VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,779
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Product details
Overview
RAA230409GNP#HA0 from Renesas Electronics is a 3-channel synchronous step-down switching regulator with integrated power MOSFETs and one LDO channel, designed for multi-rail power management in space-constrained embedded systems. It delivers 500 mA (ch1), 100 mA (ch2), and 1500 mA each (ch3, ch4) across an input range of 2.5 V to 5.5 V, with ch1 and ch3–ch4 operating at 1.3–2 MHz and ch2 as a low-noise linear regulator. It is used in industrial IoT gateways requiring independent rail sequencing and dynamic voltage scaling.
For engineers reviewing the RAA230409GNP#HA0 datasheet, RAA230409GNP#HA0 pinout, RAA230409GNP#HA0 application, or RAA230409GNP#HA0 equivalent, key selection criteria include adjustable output voltage per channel (ch1/ch3/ch4 via external resistor divider), independent ON/OFF control (SHDNB0–SHDNB4), thermal shutdown (150°C latch), and integrated soft-start with programmable timing (SS pin).
Technical Context
The RAA230409GNP#HA0 integrates four independent regulation channels: three current-mode synchronous buck converters (ch1, ch3, ch4) with internal high- and low-side MOSFETs, and one LDO (ch2) with foldback overcurrent protection. Each buck channel features internal phase compensation, programmable oscillation frequency (via RT pin), and digital soft-start (SS pin).
Channel configuration is flexible: ch1 supports adjustable output (external resistor feedback), ch2 is fixed-output LDO, ch3 and ch4 support both internal 1.2 V preset and external adjustable modes (CTL4 pin selects mode for ch4). All channels feature independent enable/disable (SHDNBx), discharge circuits, and shared SCP/thermal protection latching via a single capacitor on the SCP pin.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.5 V to 5.5 V - Supports single Li-ion or USB-powered systems without pre-regulation. |
| Switching Frequency | 1.3 MHz to 2 MHz - Programmable via RT pin; enables compact external inductor/capacitor selection. |
| Ch1 Max Output Current | 500 mA - Sufficient for core logic rails (e.g., MCU I/O, FPGA banks) with integrated MOSFETs. |
| Ch2 (LDO) Output Current | 100 mA DC - Low-noise supply for analog sensors or PLLs; dropout ≤ 0.5 V at 20 mA. |
| Ch3/Ch4 Max Output Current | 1500 mA each - Powers high-current peripherals (e.g., Ethernet PHY, DDR termination) with synchronous efficiency. |
| Output Voltage Flexibility | Ch1/ch3/ch4: Adjustable via external resistor divider (VOUT = 0.8 V × (1 + R1/R2)); ch4 mode selected by CTL4 pin. |
| Thermal Protection | Timer-latch shutdown at ≥150°C - Prevents permanent damage during sustained overload or poor PCB thermal design. |
Pinout & Package
RAA230409GNP#HA0 is housed in a 32-pin VQFN package (5 mm × 5 mm, 0.5 mm pitch) with exposed thermal pad for enhanced heat dissipation. The package supports standard reflow profiles and is compatible with automated optical inspection (AOI).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LOUT1 (Pin 1) | Ch1 inductor connection | High-current switch node; requires low-inductance layout to minimize EMI and voltage spikes. |
| VPIN1 (Pin 2) | Ch1 power input | Supplies high-side MOSFET; must be decoupled locally with ≥10 µF ceramic capacitor. |
| PGND1 (Pin 3) | Ch1 power ground | Dedicated ground return for ch1 switching loop; separate from AGND to reduce noise coupling. |
| II1 (Pin 4) | Ch1 error amplifier inverting input | Feedback node for adjustable output; connects to resistor divider output (0.8 V reference). |
| PG1 (Pin 5) | Ch1 power-good open-drain output | Signals valid ch1 output (>90% of set voltage); requires external pull-up for system sequencing. |
| CTL4 (Pin 6) | Ch4 output mode select | Logic-high = internal 1.2 V preset; logic-low = external resistor-adjustable output. |
| SCP (Pin 7) | Short-circuit/thermal protection timer | Connects to 0.1 µF capacitor; sets delay before latch-off during fault conditions. |
| SHDNB0–SHDNB4 (Pins 25–32, 26, 30, 31, 32) | Per-channel enable inputs | Active-high logic; internal 400 kΩ pull-down ensures safe default OFF state. |
Key Features
| Feature | Design Value |
|---|---|
| Independent per-channel ON/OFF control | Enables precise power sequencing (e.g., boot order, sleep/wake coordination) without external logic. |
| Digital soft-start with programmable timing | Soft-start duration (2–4 ms typical) set by external resistor on SS pin; prevents inrush current in multi-rail systems. |
| Integrated discharge circuit | Actively pulls LOUT1/LOUT3/LOUT4/OUT2 to ground when disabled, ensuring fast rail collapse and preventing back-powering. |
| Low-power mode (SAVE pin) | Reduces ch1/ch3/ch4 switching frequency to 15% of nominal (e.g., ~200 kHz at 1.3 MHz base), cutting quiescent current to 0.7 mA. |
| Shared fault latching via SCP pin | Single capacitor (CSCP) enables coordinated shutdown for short-circuit, overtemperature, or UVLO events across all channels. |
Applications
| Industrial IoT Gateway | FPGA Power Management |
|---|---|
Use Scenario: Compact edge gateway with dual-core ARM processor, Wi-Fi/BLE radio, and RS-485 interface. IC Role / Device Role / Timing Role: Primary multi-rail PMIC delivering 3.3 V (I/O), 1.2 V (core), 2.5 V (PHY), and 1.8 V (memory interface) from single 5 V input. Use Value: Eliminates need for four discrete regulators; independent SHDNB control enables dynamic rail gating during low-power states. |
Use Scenario: Mid-range FPGA (e.g., Xilinx Artix-7) requiring sequenced VCCINT (1.0 V), VCCAUX (1.8 V), VCCO (3.3 V), and VREF (1.25 V). IC Role / Device Role / Timing Role: Configurable buck/LDO hybrid supplying FPGA rails with programmable soft-start timing and PG signaling for configuration safety. Use Value: Adjustable ch1/ch3/ch4 outputs match exact FPGA voltage requirements; ch2 LDO provides clean VREF without external filtering. |
| Automotive Body Control Module | Medical Sensor Hub |
Use Scenario: CAN-connected BCM managing door locks, lighting, and HVAC sensors in 12 V automotive system (with 5 V pre-regulator). IC Role / Device Role / Timing Role: Secondary PMIC generating 3.3 V (MCU), 5.0 V (drivers), 1.2 V (ASIC), and 2.8 V (display backlight) from 5 V rail. Use Value: Thermal latch (150°C) and UVLO (1.9 V start) ensure robust operation under engine-bay temperature swings and battery brownouts. |
Use Scenario: Portable patient monitor aggregating ECG, SpO₂, and temperature data with Bluetooth LE transmission. IC Role / Device Role / Timing Role: Ultra-low-noise power source for analog front-end (ch2 LDO) and digital subsystems (buck channels), with SAVE mode extending battery life. Use Value: Ch2's 100 mA LDO delivers <50 mV load regulation and <50 mV line regulation-critical for ADC reference stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-channel power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS650732RSLR (TI) | 3 buck + 1 LDO, but fixed 1.2/1.8/3.3 V outputs; no adjustable channels; 2.7–5.5 V input. | Suitable only where preset voltages match system needs; lacks RAA230409GNP#HA0's external resistor flexibility. | Select if BOM simplification outweighs voltage customization needs and thermal rating (125°C max) is sufficient. |
| ISL9305IRTNZ-T (Renesas) | 2 buck + 2 LDO; lower current (600/300 mA bucks); no SCP latch; 1.8–5.5 V input. | Better for ultra-low-noise mixed-signal apps; insufficient for 1.5 A loads required by RAA230409GNP#HA0's ch3/ch4. | Choose when system prioritizes LDO count and noise over high-current buck capability and fault coordination. |
Compared with TPS650732RSLR and ISL9305IRTNZ-T, RAA230409GNP#HA0 uniquely combines adjustable buck outputs, 150°C thermal latch, and unified SCP fault coordination-enabling robust, customizable power delivery in thermally demanding embedded designs.
Availability
RAA230409GNP#HA0 is available at Aetrix Electronics and suitable for industrial IoT gateways, FPGA power management, automotive body control modules, and medical sensor hubs requiring stable component supply and long-term lifecycle assurance.
Supply support for RAA230409GNP#HA0 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 is a global semiconductor leader specializing in microcontrollers, analog power, and connectivity solutions for industrial, automotive, and enterprise applications.
The RAA23040x family was developed to address the demand for highly integrated, configurable multi-rail PMICs in space-constrained embedded systems-emphasizing flexibility (adjustable outputs), reliability (latch-type protections), and ease of use (integrated soft-start, discharge).
FAQ
What output voltage options does the RAA230409GNP#HA0 support per channel?
The RAA230409GNP#HA0 supports adjustable output voltage on ch1, ch3, and ch4 using an external resistor divider referenced to the 0.8 V internal error amplifier threshold. Ch2 is a fixed-output LDO. Ch4's mode (internal 1.2 V preset vs. external adjustment) is selected by the CTL4 pin. This configurability makes RAA230409GNP#HA0 adaptable to diverse system voltage requirements without redesigning the power stage.
How does the SCP (short-circuit protection) function work on the RAA230409GNP#HA0?
The RAA230409GNP#HA0 uses a shared timer-latch SCP circuit: when any buck channel's IIx pin voltage drops below 75% of its output (indicating short or overload), the SCP pin capacitor begins charging. At ~0.9 V, all channels latch OFF while reference and oscillator blocks remain active. Recovery requires toggling SHDNB0 or cycling AVDD below UVLO threshold. This behavior is documented in the RAA230409GNP#HA0 datasheet Section 18.
Can the RAA230409GNP#HA0 operate with different input voltages per channel?
No-the RAA230409GNP#HA0 requires a common input supply applied to AVDD (Pin 12) and individual VPINx pins (Pins 2, 9, 18, 23) for each channel. While VPINx can be tied together or to AVDD, they must all fall within the 2.5–5.5 V absolute maximum range. The RAA230409GNP#HA0 does not support true multi-input operation; all channels derive power from the same source domain.
What is the purpose of the SAVE pin on the RAA230409GNP#HA0?
The SAVE pin enables low-power mode: when driven high, it reduces the switching frequency of ch1, ch3, and ch4 to 15% of their nominal value (e.g., ~200 kHz from 1.3 MHz), lowering quiescent current from 1.2 mA to 0.7 mA. This extends battery life in portable applications. However, RAA230409GNP#HA0 datasheet Section 19 specifies that SAVE mode should only be engaged when output currents are below 100 mA to avoid excessive ripple.
Does the RAA230409GNP#HA0 include built-in thermal protection?
Yes-the RAA230409GNP#HA0 incorporates a timer-latch thermal shutdown circuit that activates at ≥150°C junction temperature. Upon detection, the SCP capacitor charges and-once reaching ~0.9 V-latches all channel outputs OFF while maintaining internal reference and oscillator operation. Recovery requires resetting SHDNB0 or cycling AVDD. This protection is explicitly specified in the RAA230409GNP#HA0 Absolute Maximum Ratings table (Page 7) and Operation section (Page 19).
RAA230409GNP#HA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 32-VQFN
- Packaging:
- Tray
- Product Status:
- Obsolete
- Topology:
- Step-Down (Buck) Synchronous (3), Linear (LDO) (1)
- Number of Outputs:
- 4
- Frequency - Switching:
- 1.3MHz ~ 2.2MHz
- Voltage/Current - Output 1:
- 0.9V ~ 4.95V, 500mA
- Voltage/Current - Output 2:
- 0.9V ~ 4.95V, 100mA
- Voltage/Current - Output 3:
- 0.9V ~ 4.95V, 1.5A
- w/LED Driver:
- No
- w/Supervisor:
- No
- w/Sequencer:
- No
- Voltage - Supply:
- 2.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-VQFN (5x5)
RAA230409GNP#HA0 FAQ
1.How can I place an order for RAA230409GNP#HA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for RAA230409GNP#HA0 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 RAA230409GNP#HA0 reliable?
The price and inventory of RAA230409GNP#HA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RAA230409GNP#HA0 is usually 5 days.
3.What payment methods are accepted for RAA230409GNP#HA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RAA230409GNP#HA0 transactions.
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4.How is shipping managed for RAA230409GNP#HA0?
RAA230409GNP#HA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RAA230409GNP#HA0 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 RAA230409GNP#HA0?
For technical support, including RAA230409GNP#HA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RAA230409GNP#HA0 requirements.
6.How does Aetrix verify that RAA230409GNP#HA0 is sourced from the original manufacturer or authorized distributors?
All RAA230409GNP#HA0 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 RAA230409GNP#HA0 meets industry standards.
7.What is the process for return or replacement of RAA230409GNP#HA0?
All RAA230409GNP#HA0 units undergo pre-shipment inspection (PSI). If there is an issue with RAA230409GNP#HA0, 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 RAA230409GNP#HA0 part is unused and in its original packaging.
Return procedure for RAA230409GNP#HA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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