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NXP Semiconductors DC6M602X6/1518A,13
- Part No.:
- DC6M602X6/1518A,13
- Manufacturer:
- NXP Semiconductors
- Package:
- 6-XFBGA, WLCSP
- Datasheet:
-
DC6M602X6/1518A,13.pdf
- Description:
- IC REG BUCK PROG 650MA 6WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,737
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Product details
Overview
DC6M602X6/1518A from NXP Semiconductors is a 6 MHz, 650 mA step-down DC-DC converter in WLCSP6 package, delivering selectable 1.5 V or 1.8 V output from 2.3–5.5 V input with up to 92 % efficiency and ±2 % DC output voltage accuracy. It integrates PMOS/NMOS power switches, soft-start, and thermal/short-circuit protection for space-constrained portable power rails.
For engineers reviewing the DC6M602X6/1518A datasheet, DC6M602X6/1518A pinout, DC6M602X6/1518A application, or DC6M602X6/1518A equivalent, key selection criteria include MODE-pin-selectable dual-output voltage, 6 MHz switching enabling sub-1 µH inductor use, automatic PWM/PFM mode transition, and WLCSP6 footprint compatibility with PCB coil integration.
Technical Context
The DC6M602X6/1518A implements a synchronous buck topology with integrated P-channel and N-channel MOSFETs, operating at a fixed 6 MHz PWM clock (5.4–6.6 MHz typical). Its feedback loop uses external resistor divider on FB pin to regulate output, while MODE pin selects between two factory-programmed nominal outputs: 1.5 V (MODE = LOW) or 1.8 V (MODE = HIGH).
It features automatic PWM/PFM mode switching based on load current threshold detection, eliminating need for external mode control. The device supports clock-signal enable (5–27 MHz, 40–60 % duty cycle), soft-start with 300 µs ramp, and integrated overtemperature shutdown at 150 °C with 40 K hysteresis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 650 mA max - supports core logic or memory rails in compact mobile SoCs |
| Switching Frequency | 6 MHz - enables use of 470 nH inductor and reduces EMI filtering burden |
| Input Voltage Range | 2.3 V to 5.5 V - compatible with single-cell Li-ion, Li-poly, or 3.3 V/5 V system rails |
| Output Voltage Options | 1.5 V (MODE = LOW) or 1.8 V (MODE = HIGH) - dual-voltage flexibility without external resistors |
| Efficiency | Up to 92 % - extends battery life in smartphones and tablets under light-to-moderate loads |
| Output Voltage Accuracy | ±2 % total DC - ensures stable supply for I/O interfaces and low-voltage processors |
| Standby Supply Current | 0.2 µA - minimizes quiescent drain during system sleep states |
Pinout & Package
DC6M602X6/1518A uses a Wafer-Level Chip-Size Package (WLCSP6) measuring 1.36 × 0.96 × 0.47 mm with 0.4 mm bump pitch and 3×2 solder ball array. The package is lead-free and moisture-sensitive level 1 (MSL1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MODE (A1) | Voltage select input | Logic-level controlled selection between 1.5 V (LOW) and 1.8 V (HIGH) output; requires defined bias |
| IN (A2) | Power input | Accepts 2.3–5.5 V supply; requires ≥4.7 µF low-ESR ceramic capacitor placed adjacent |
| SW (B1) | Switch node | Connects to external 470 nH inductor; high-frequency switching node requiring tight layout |
| EN (B2) | Enable control | Active-HIGH or clock-signal enabled (5–27 MHz); disables device and reduces ICC to 0.2 µA when LOW |
| FB (C1) | Feedback input | Senses regulated output via external resistor divider; not used in fixed-output variants like DC6M602X6/1518A |
| GND (C2) | Ground reference | Primary return path; must be connected to low-inductance ground plane beneath package |
Key Features
| Feature | Design Value |
|---|---|
| Dual-output voltage selection | Single device replaces two fixed-output regulators via MODE pin logic level |
| Integrated synchronous rectification | Eliminates external flyback diode; reduces BOM count and improves efficiency |
| Automatic PWM/PFM mode transition | Optimizes light-load efficiency without external mode control circuitry |
| Soft-start function | 300 µs controlled ramp limits inrush current and prevents input rail collapse |
| Thermal and short-circuit protection | Auto-recovery shutdown at 150 °C and current-limiting above 1.3 A prevent damage during fault conditions |
Applications
| Smartphone Core Power | Tablet PC I/O Rail |
|---|---|
Use Scenario: Powering application processor I/O domains or DDR memory interface in ultra-thin smartphone designs. IC Role / Device Role / Timing Role: Primary synchronous buck regulator delivering tightly regulated 1.5 V or 1.8 V from shared battery rail. Use Value: 6 MHz operation allows 470 nH inductor and minimal PCB area; ±2 % accuracy ensures signal integrity across high-speed buses. | Use Scenario: Supplying display interface logic (e.g., MIPI DSI PHY) in 7–10 inch tablets with strict height constraints. IC Role / Device Role / Timing Role: Compact, high-efficiency point-of-load converter replacing larger discrete solutions. Use Value: WLCSP6 footprint (1.36 × 0.96 mm) fits within narrow bezel regions; automatic PFM mode extends standby time. |
| Digital Still Camera Sensor Bias | Portable Media Player Audio Codec |
Use Scenario: Providing clean, low-noise bias voltage to CMOS image sensor analog front-end in compact DSC modules. IC Role / Device Role / Timing Role: Low-ripple DC-DC source with fast load transient response for sensor pixel readout timing. Use Value: <15 mV peak-to-peak ripple at 650 mA ensures minimal analog noise coupling; soft-start prevents sensor reset glitches. | Use Scenario: Powering stereo audio codec ICs in battery-powered PMPs requiring dual-voltage support for digital and analog sections. IC Role / Device Role / Timing Role: Dual-output regulator enabling flexible rail assignment without redesigning power layout. Use Value: MODE-selectable 1.5 V/1.8 V eliminates need for separate regulators or resistor networks, reducing component count by one. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DC-DC buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62231DRYR | Fixed 1.8 V output only; 3 MHz switching; 0.65 mm × 0.65 mm DSBGA6 package | Lacks MODE-selectable dual voltage; lower frequency requires larger inductor | Choose when only 1.8 V is needed and board space permits larger magnetics |
| RT8059ZSP | Fixed 1.5 V output; 3 MHz switching; 1.54 mm × 1.54 mm WLCSP-6 package | No voltage select capability; higher quiescent current (3 µA vs. 0.2 µA) | Select for cost-sensitive designs where dual-voltage flexibility is unnecessary |
Compared with TPS62231DRYR and RT8059ZSP, DC6M602X6/1518A uniquely delivers MODE-selectable 1.5 V/1.8 V output in a smaller 1.36 mm × 0.96 mm WLCSP6, enabling single-BOM support for multiple voltage requirements while maintaining 6 MHz operation for minimal inductor size.
Availability
DC6M602X6/1518A is available at Aetrix Electronics and suitable for smartphone core power, tablet PC I/O rail, and digital still camera sensor bias applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for DC6M602X6/1518A 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
NXP Semiconductors is a global semiconductor company specializing in secure connectivity solutions for automotive, industrial, and mobile markets, with leadership in power management and RF technologies.
The DC6M60xX6 family was designed specifically for ultra-compact, battery-driven portable electronics-emphasizing minimal footprint, high efficiency at light loads, and seamless integration with PCB-level magnetics.
FAQ
What output voltages does DC6M602X6/1518A support and how are they selected?
DC6M602X6/1518A supports two fixed output voltages: 1.5 V when MODE pin is driven LOW, and 1.8 V when MODE pin is driven HIGH. This selection is implemented internally via factory-trimmed feedback network; no external resistors are required. The MODE pin has no internal pull-up/down and must be actively biased to a valid logic level to avoid undefined operation.
Does DC6M602X6/1518A require an external feedback resistor divider?
No, DC6M602X6/1518A does not require an external feedback resistor divider. It is a fixed-output variant with internal voltage reference and trimming, so the FB pin is not used in normal operation. Leaving FB unconnected or floating is acceptable per the datasheet; it is reserved for adjustable-output versions in the same family.
Can DC6M602X6/1518A be enabled using a clock signal instead of a DC logic level?
Yes, DC6M602X6/1518A supports clock-signal enable on the EN pin. A 5–27 MHz square wave with 40–60 % duty cycle can be applied to EN to activate the device, which is particularly useful for synchronizing power-up with camera modules compliant with SMIA specifications. The device initiates soft-start upon first valid clock edge.
What is the maximum recommended inductor value for DC6M602X6/1518A?
The datasheet specifies an external inductor value of 470 nH (0.47 µH) for optimal performance. While values up to 1 µH may function, using larger inductors increases switching losses and degrades light-load efficiency due to reduced PFM effectiveness. Murata LQM21PNR47MC0 (0.47 µH, 2.0 × 1.2 mm) is explicitly recommended.
Is DC6M602X6/1518A compatible with PCB-integrated planar inductors?
Yes, DC6M602X6/1518A explicitly supports Printed-Circuit Board (PCB) coils in addition to standard chip inductors and air-core coils. Its 6 MHz switching frequency and integrated synchronous rectification make it well-suited for low-profile planar magnetics, provided parasitic resistance and saturation current meet the 650 mA requirement and ripple voltage stays within specification.
DC6M602X6/1518A,13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 6-XFBGA, WLCSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Programmable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.3V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1.5V, 1.8V
- Voltage - Output (Max):
- -
- Current - Output:
- 650mA
- Frequency - Switching:
- 6MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-WLCSP (1.36x0.96)
DC6M602X6/1518A,13 FAQ
1.How can I place an order for DC6M602X6/1518A,13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DC6M602X6/1518A,13 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 DC6M602X6/1518A,13 reliable?
The price and inventory of DC6M602X6/1518A,13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DC6M602X6/1518A,13 is usually 5 days.
3.What payment methods are accepted for DC6M602X6/1518A,13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DC6M602X6/1518A,13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DC6M602X6/1518A,13?
DC6M602X6/1518A,13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DC6M602X6/1518A,13 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 DC6M602X6/1518A,13?
For technical support, including DC6M602X6/1518A,13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DC6M602X6/1518A,13 requirements.
6.How does Aetrix verify that DC6M602X6/1518A,13 is sourced from the original manufacturer or authorized distributors?
All DC6M602X6/1518A,13 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 DC6M602X6/1518A,13 meets industry standards.
7.What is the process for return or replacement of DC6M602X6/1518A,13?
All DC6M602X6/1518A,13 units undergo pre-shipment inspection (PSI). If there is an issue with DC6M602X6/1518A,13, 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 DC6M602X6/1518A,13 part is unused and in its original packaging.
Return procedure for DC6M602X6/1518A,13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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