Monolithic Power Systems Inc. MP2192CGC-P
- Part No.:
- MP2192CGC-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- 6-UFBGA, WLCSP
- Datasheet:
-
MP2192CGC-P.pdf
- Description:
- IC REG BUCK ADJ 2A 6WLCSP
- Quantity:
- Payment:

- Shipping:

Inventory:500
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Product details
Overview
MP2192CGC-P from Monolithic Power Systems is a 2A synchronous step-down DC-DC converter with forced PWM mode, constant-on-time (COT) control, and integrated 75mΩ P-channel and 45mΩ N-channel MOSFETs. It operates from 2.5V to 5.5V input, delivers adjustable output down to 0.6V, and targets space-constrained portable power rails in wireless cards and battery-powered devices.
For engineers reviewing the MP2192CGC-P datasheet, MP2192CGC-P pinout, MP2192CGC-P application, or MP2192CGC-P equivalent, key selection criteria include its 1.1MHz fixed switching frequency, 1% FB voltage accuracy, 1.2ms soft-start time, output discharge capability, and WLCSP-6 package thermal performance for high-density PCB layouts.
Technical Context
The MP2192CGC-P employs constant-on-time (COT) control with VIN feed-forward to maintain stable 1.1MHz switching across its 2.5V–5.5V input range and 0.6V–5.5V output range. Its internal power stage integrates complementary P/N-channel MOSFETs with on-resistances of 75mΩ and 45mΩ, enabling up to 2A continuous output current with minimal external components.
Fault protection includes cycle-by-cycle current limiting (4A peak), hiccup-mode short-circuit protection, thermal shutdown at 160°C, and dual-stage over-voltage protection-dynamic regulation triggered at 117% VREF and hard shutdown at 6.2V VIN. EN pin logic thresholds (1.2V high, 0.4V low) support precise power sequencing in multi-rail systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input voltage range | 2.5V to 5.5V - supports single-cell Li-ion, USB, and regulated 3.3V/5V rails without pre-regulation. |
| Output current | 2A continuous - sustains full load under worst-case thermal conditions (θJA = 141°C/W, TA ≤ 85°C). |
| Feedback voltage | 600mV ±1% - enables precise output regulation with <±12mV error across temperature and load. |
| Switching frequency | 1.1MHz - allows compact 1µH inductors and reduces EMI filtering burden in noise-sensitive RF sections. |
| Internal MOSFET RDS(ON) | 75mΩ (HS), 45mΩ (LS) - minimizes conduction loss and improves efficiency above 85% at 1.2V/2A (VIN=5V). |
| Soft-start time | 1.2ms - prevents inrush current and output overshoot during cold start in battery-powered systems. |
| OVP threshold | 117% of VFB - triggers dynamic low-side discharge before catastrophic overvoltage occurs at the load. |
Pinout & Package
MP2192CGC-P is housed in a 6-ball WLCSP package (0.85mm × 1.25mm, 0.4mm pitch), optimized for ultra-thin portable designs and requiring no solder mask defined pads per JEDEC MO-211.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 GND | Power ground reference | Primary return path for high-frequency switching current; must connect directly to solid ground plane beneath IC. |
| A2 OUT | Output voltage sense and power rail | Connects to output capacitor anode; serves as both power delivery node and feedback reference point for stability. |
| B1 SW | Switching node | Drain of internal high-side MOSFET; connects to inductor; requires shortest possible trace to minimize EMI and voltage ringing. |
| B2 EN | Enable control input | Active-high logic interface (1.2V min); internal 1MΩ pulldown enables default-disable behavior when floating. |
| C1 VIN | Input supply | Accepts 2.5V–5.5V unregulated input; requires local 22µF ceramic decoupling placed within 2mm of pin. |
| C2 FB | Feedback input | Senses resistor divider ratio; 100nA bias current enables use of 200kΩ/200kΩ network for 1.2V output with low leakage error. |
Key Features
| Feature | Design Value |
|---|---|
| Forced PWM operation | Maintains continuous conduction mode (CCM) across full 0–2A load range, eliminating audible noise and ensuring consistent EMI profile. |
| Output discharge function | Activates internal 13Ω discharge FET upon EN deactivation, rapidly collapsing VOUT to prevent hold-up or back-powering of downstream circuitry. |
| 1% FB voltage accuracy | Reduces output tolerance stack-up in multi-converter systems, enabling tighter margining for low-voltage I/O rails like 1.2V DDR or 1.8V logic. |
| 100% duty cycle capability | Allows dropout operation down to VOUT ≈ VIN − 0.1V, supporting applications where input may dip near output voltage (e.g., Li-ion discharge). |
| Hiccup-mode SCP | Limits average fault power to <50mW during sustained short, preventing thermal runaway while allowing automatic recovery once fault clears. |
Applications
| Wireless Networking Cards | Portable Instrumentation |
|---|---|
|
Use Scenario: Powering 1.2V RF transceiver ICs and baseband processors in mini-PCIe Wi-Fi 6 modules with strict board area constraints. IC Role / Device Role / Timing Role: Primary buck regulator delivering clean, low-noise 1.2V/2A rail with fast transient response to handle burst TX current demands. Use Value: 1.1MHz switching enables use of 1µH shielded inductor occupying <1.5mm² footprint; WLCSP-6 package fits within 3mm × 3mm keep-out zone. |
Use Scenario: Supplying 1.8V analog front-end and 3.3V microcontroller in handheld multimeters and oscilloscope probes. IC Role / Device Role / Timing Role: Dual-output capable via resistor reconfiguration; provides stable low-noise bias for precision ADC references and op-amps. Use Value: 1% FB accuracy ensures <±18mV output error at 1.8V, meeting 12-bit ADC reference stability requirements without post-regulation LDO. |
| Battery-Powered Medical Sensors | Low-Voltage I/O System Power |
|
Use Scenario: Regulating 2.5V sensor bias and 3.3V BLE SoC supply in wearable ECG patches powered by coin-cell or thin-film batteries. IC Role / Device Role / Timing Role: High-efficiency step-down converter operating down to 2.5V VIN, with ultra-low quiescent current (450µA) in active mode. Use Value: 87% efficiency at 2.5VIN/2.5VOUT/100mA extends battery life >20% vs. legacy 2.25MHz converters; output discharge prevents sensor latch-up during sleep transitions. |
Use Scenario: Generating 0.6V core voltage for FPGA I/O banks or ASIC SerDes interfaces in compact edge AI accelerators. IC Role / Device Role / Timing Role: Precision adjustable buck supplying sub-1V rails with tight DC accuracy and low AC ripple (<10mVpp). Use Value: 600mV ±6mV FB reference and COT control achieve <5mV load transient deviation at 1A/µs slew rate, meeting JESD22-A114 reliability thresholds. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS628641RQYR | 1.8V–5.5V input, 3A output, 2.25MHz fSW, 0.6V FB, but no output discharge or hiccup SCP. | Higher current and frequency suit higher-power SoCs; lacks output discharge needed for safe power sequencing in multi-rail sensors. | Select when >2A load or >2MHz EMI filtering is required; verify external discharge circuit if sequencing critical. |
| RTQ2134BGQW | 2.5V–5.5V input, 2A output, 1.5MHz fSW, 0.6V FB, includes light-load DCM but no forced PWM mode. | Superior light-load efficiency due to DCM; variable frequency causes EMI spread-spectrum challenges in RF coexistence designs. | Prefer for always-on battery monitors; avoid where fixed-frequency EMI control is mandatory (e.g., near GPS receivers). |
Compared with TPS628641RQYR and RTQ2134BGQW, MP2192CGC-P uniquely combines forced PWM, output discharge, and WLCSP-6 size-making it optimal for space-limited, sequenced, noise-sensitive 2A applications where CCM stability and rapid shutdown are non-negotiable.
Availability
MP2192CGC-P is available at Aetrix Electronics and suitable for wireless networking cards, portable instrumentation, and battery-powered medical sensors requiring stable component supply with guaranteed long-term availability and RoHS-compliant packaging.
Supply support for MP2192CGC-P 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
Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance power management ICs, with over 20 years of expertise in DC-DC conversion, motor drivers, and LED lighting controllers.
The MP2192 series belongs to MPS's ultra-compact buck converter product line, engineered specifically for portable and space-constrained applications demanding high efficiency, small footprint, and robust protection in sub-3mm² layouts.
FAQ
What is the minimum recommended output capacitance for stable operation?
The MP2192CGC-P requires ≥10µF ceramic output capacitance with X5R/X7R dielectric for stable regulation. Typical designs use 22µF to limit output ripple to <10mVpp at 2A load. Lower values risk instability under transient loads, especially with high-ESR capacitors or long PCB traces.
Does MP2192CGC-P support adjustable soft-start time?
No-the soft-start time is fixed at 1.2ms and not user-adjustable. This value is internally set by the SS capacitor and ramp generator; no external component modifies it. The 1.2ms duration balances inrush current limitation with startup speed for most portable applications.
Can MP2192CGC-P operate with input voltage below 2.5V?
No-it has a hard under-voltage lockout (UVLO) threshold of 2.3V (rising) and will not switch below 2.5V input. Operation below this range risks erratic behavior or failure to regulate; for sub-2.5V inputs, consider the MP2158 (1.8V–5.5V) or MP2161 (0.8V–5.5V) families instead.
How does the output discharge function behave during EN deactivation?
When EN falls below 0.4V, the MP2192CGC-P disables switching and activates an internal 13Ω NMOS discharge path between OUT and GND. This discharges a 22µF output capacitor from 1.2V to 0.1V in ~2.5ms, preventing back-powering or latch-up in downstream logic.
Is the WLCSP-6 package compatible with standard reflow profiles?
Yes-the MP2192CGC-P WLCSP-6 package is qualified for IPC/JEDEC J-STD-020D reflow, with peak temperature up to 260°C and MSL Level 1 rating. No special baking or handling is required; standard SnAgCu paste and 240°C peak profile yield >99.9% assembly yield on 2-layer boards.
What inductor series is validated for optimal performance?
MPS's MPL-AL4020 series (e.g., MPL-AL4020-1R0, 1µH) is fully characterized and recommended. These shielded metal-alloy inductors feature <10.1mΩ DCR, high saturation current (>3.5A), and low EMI radiation-enabling >90% efficiency at 1.2V/2A with minimal layout sensitivity.
Does MP2192CGC-P require external compensation components?
No-its constant-on-time (COT) control architecture is inherently stable with the specified 22µF ceramic output capacitor and 1µH inductor. No external compensation network (e.g., type-II/III compensator) is needed, reducing BOM count and layout complexity.
MP2192CGC-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 6-UFBGA, WLCSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.5V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 0.6V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 2A
- Frequency - Switching:
- 1.1MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-WLCSP (0.85x1.25)
MP2192CGC-P FAQ
1.How can I place an order for MP2192CGC-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MP2192CGC-P 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 MP2192CGC-P reliable?
The price and inventory of MP2192CGC-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP2192CGC-P is usually 5 days.
3.What payment methods are accepted for MP2192CGC-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP2192CGC-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MP2192CGC-P?
MP2192CGC-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MP2192CGC-P 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 MP2192CGC-P?
For technical support, including MP2192CGC-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP2192CGC-P requirements.
6.How does Aetrix verify that MP2192CGC-P is sourced from the original manufacturer or authorized distributors?
All MP2192CGC-P 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 MP2192CGC-P meets industry standards.
7.What is the process for return or replacement of MP2192CGC-P?
All MP2192CGC-P units undergo pre-shipment inspection (PSI). If there is an issue with MP2192CGC-P, 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 MP2192CGC-P part is unused and in its original packaging.
Return procedure for MP2192CGC-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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