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Microchip Technology MCP33151-05-E/MN
- Part No.:
- MCP33151-05-E/MN
- Manufacturer:
- Microchip Technology
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-WFDFN Exposed Pad
- Datasheet:
-
MCP33151-05-E/MN.pdf
- Description:
- IC ADC 14BIT SAR 10TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:714
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Product details
Overview
MCP33151-05-E/MN from Microchip Technology is a 14-bit, single-ended input, successive approximation register (SAR) analog-to-digital converter with 500 ksps throughput, 80.4 dBFS SNR at 10 kHz, ±0.39 LSB INL, and AEC-Q100 Grade 1 qualification for automotive battery management systems.
For engineers reviewing the MCP33151-05-E/MN datasheet, MCP33151-05-E/MN pinout, MCP33151-05-E/MN application, or MCP33151-05-E/MN equivalent, key selection criteria include its 1.8V AVDD supply, 500 ksps sample rate, built-in self-calibration, 100 MHz SPI clock support, and TDFN-10/MSOP-10 package options for space-constrained high-precision acquisition.
Technical Context
The MCP33151-05-E/MN implements a SAR architecture with internal clock generation independent of SCLK, enabling deterministic conversion timing. It supports pseudodifferential operation in single-ended mode with full-scale range 0V to VREF (up to 5.1V), and features automatic power-up calibration plus on-demand recalibration for offset, gain, and linearity errors.
Its 3-wire SPI interface includes optional BUSY indicator, operates with DVIO from 1.7V to 5.5V for host compatibility (e.g., PIC32MZ), and integrates a data accumulator that averages up to 1024 samples to increase ENOB to 18 bits-critical for low-noise DC measurements in motor control and BMS applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit with no missing codes-ensures monotonicity and precision for high-fidelity sensor digitization |
| Sample Rate | 500 ksps-supports real-time monitoring of fast transients in switch-mode power supplies and motor current sensing |
| SNR | 80.4 dBFS at fIN = 10 kHz, VREF = 5V-enables >12-bit effective resolution in noisy industrial environments |
| INL | ±0.39 LSB-minimizes integral error across full scale, critical for accurate voltage measurement in battery cell monitoring |
| Power Consumption | 1.8 mW at 500 ksps (AVDD + DVIO + VREF)-enables low-power continuous acquisition in battery-powered test equipment |
| Operating Temperature | -40°C to +125°C (AEC-Q100 Grade 1)-validated for under-hood automotive and industrial embedded deployment |
| SPI Clock Rate | Up to 100 MHz-allows high-speed data transfer without bottlenecking host MCU bandwidth |
Pinout & Package
Package: TDFN-10 (exposed thermal pad) and MSOP-10. Both packages are Pb-free and RoHS-compliant, with θJA = 68°C/W (TDFN) and 202°C/W (MSOP) for thermal management in high-density layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN+ | Analog Input | Single-ended input node referenced to GND; accepts 0V to VREF full-scale range |
| GND | Analog/Digital Ground | Common reference for AVDD, DVIO, and analog inputs; requires low-impedance PCB connection |
| SDO | Serial Data Output | 3-state SPI output; presents conversion result during Standby mode after CNVST deassertion |
| SCLK | Serial Clock Input | Master-generated clock up to 100 MHz; timing-independent of internal ADC conversion clock |
| CNVST | Convert Start / Chip Select | Rising edge initiates conversion; also serves as active-low CS in 3-wire SPI configuration |
| SDI | Serial Data Input | Accepts command bytes (e.g., recalibrate); Schmitt-triggered for noise immunity |
| VREF | External Reference Voltage | Independent 1.8V–5.1V reference input; sets full-scale range and directly impacts SNR and ENOB |
| AVDD | Analog Supply | 1.8V ±0.1V supply; powers internal analog circuitry including sampling capacitor and SAR core |
| DVIO | Digital I/O Supply | 1.7V–5.5V flexible interface supply; eliminates level shifters when interfacing with 1.8V/3.3V/5V hosts |
| NC | No Connect | Reserved pin; must be left unconnected per datasheet Table 4-1 for TDFN-10 package |
Key Features
| Feature | Design Value |
|---|---|
| No latency output | Conversion result available immediately after CNVST deassertion-enables deterministic real-time control loops |
| Built-in data accumulator | Averages up to 1024 samples to boost ENOB to 18 bits-reduces external post-processing in precision instrumentation |
| Self-calibration | Automatic on power-up (≈40 ms) and user-commanded recalibration-maintains accuracy across temperature and reference drift |
| Ultra-low standby current | ~1.5 µA during input acquisition-extends battery life in portable medical and test equipment |
| AEC-Q100 qualified | Grade 1 (-40°C to +125°C) qualification-validates reliability for automotive battery management and motor control |
Applications
| Electric Vehicle Battery Management | Industrial Motor Control |
|---|---|
Use Scenario: Monitoring individual Li-ion cell voltages in multi-cell packs with <1 mV absolute accuracy requirement. IC Role / Device Role / Timing Role: High-precision, low-drift ADC capturing cell voltage at 500 ksps for state-of-charge estimation and fault detection. Use Value: ±0.39 LSB INL and AEC-Q100 qualification ensure measurement integrity across automotive temperature extremes without recalibration. | Use Scenario: Sampling phase currents in three-phase inverters for field-oriented control (FOC) with minimal latency. IC Role / Device Role / Timing Role: Single-ended SAR ADC providing synchronized current samples with no output latency and 500 ksps throughput. Use Value: Deterministic conversion timing and 80.4 dBFS SNR enable accurate current reconstruction even under PWM switching noise. |
| High-Accuracy Test Equipment | Switch-Mode Power Supply Monitoring |
Use Scenario: Digitizing sensor outputs in portable calibrators requiring 14-bit linearity and low power consumption. IC Role / Device Role / Timing Role: Low-power, high-SNR ADC operating from battery with integrated accumulator for noise reduction. Use Value: 1.5 µA standby current and 1024-sample averaging extend runtime while achieving 18-bit ENOB for metrology-grade readings. | Use Scenario: Measuring output voltage ripple and transient response in 1 MHz+ buck converters. IC Role / Device Role / Timing Role: Fast 500 ksps ADC with wide 0–5.1V input range and high SFDR (102.7 dBc) for clean spectral analysis. Use Value: 102.7 dBc SFDR and -100.9 dB THD suppress harmonic distortion from switching artifacts, improving regulation accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-precision SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8860IDRCT | 16-bit, 1 Msps, 1.8V AVDD, but no built-in accumulator or AEC-Q100 qualification | Higher resolution but lacks on-chip averaging and automotive qualification-requires external processing for noise reduction | Select when absolute 16-bit resolution is mandatory and recalibration infrastructure exists |
| MCP33151-10-E/MN | Same 14-bit resolution and family architecture, but 1 Msps sample rate and higher 0.66 mA conversion current | Targeted at faster acquisition needs (e.g., vibration analysis), not optimized for ultra-low-power standby | Select when system demands >500 ksps throughput and can accommodate higher active power |
Compared with ADS8860IDRCT and MCP33151-10-E/MN, the MCP33151-05-E/MN uniquely balances 14-bit precision, 500 ksps throughput, 1.5 µA standby current, and AEC-Q100 qualification-making it optimal for automotive BMS and battery-powered instrumentation where power, accuracy, and qualification converge.
Availability
MCP33151-05-E/MN is available at Aetrix Electronics and suitable for electric vehicle battery management systems, industrial motor control, high-accuracy test equipment, and switch-mode power supply monitoring requiring stable component supply across automotive and industrial lifecycles.
Supply support for MCP33151-05-E/MN 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
Microchip Technology is a leading provider of microcontrollers, analog, and Flash-IP solutions, serving automotive, industrial, and consumer markets with high-reliability silicon and development tools.
The MCP33151 product line delivers high-speed, high-accuracy SAR ADCs optimized for automotive-grade signal acquisition in battery management, motor control, and power systems-emphasizing low power, robust calibration, and seamless host integration.
FAQ
What is the maximum external reference voltage supported by the MCP33151-05-E/MN?
The MCP33151-05-E/MN supports an external reference voltage (VREF) from AVDD up to 5.1V. This allows full-scale input ranges from 0V to 5.1V, enabling direct measurement of standard industrial and automotive voltage rails without external scaling. The device maintains specified SNR and INL performance across this range, with typical SNR of 80.4 dBFS at VREF = 5V and fIN = 10 kHz. Operation outside this range may degrade accuracy or damage the part.
Does the MCP33151-05-E/MN require external voltage level shifters when interfacing with a 5V microcontroller?
No, the MCP33151-05-E/MN does not require external voltage level shifters when interfacing with a 5V microcontroller. Its DVIO pin supports digital I/O voltages from 1.7V to 5.5V, allowing direct connection to 5V logic families. The VIH threshold is 0.7 × DVIO (3.5V min at DVIO = 5V), and VOH is guaranteed ≥4.0V at IOH = −500 µA-ensuring reliable communication without additional components. This simplifies design in mixed-voltage systems like PIC32MZ-based motor controllers.
How does the built-in data accumulator in the MCP33151-05-E/MN improve measurement resolution?
The built-in data accumulator in the MCP33151-05-E/MN increases effective resolution by averaging up to 1024 consecutive conversion results, raising ENOB to 18 bits. This reduces quantization and thermal noise without external firmware overhead. For example, at 500 ksps, accumulating 1024 samples yields an effective sample rate of ~488 SPS with significantly improved SNR-ideal for low-frequency DC measurements in medical instruments or precision voltage monitors where noise floor matters more than speed.
What is the self-calibration time for the MCP33151-05-E/MN, and when does it occur?
The MCP33151-05-E/MN performs automatic self-calibration approximately 40 ms after power-up, completing within 500–650 ms. This process corrects offset, gain, and linearity errors using internal references. Users may also trigger on-demand recalibration via SPI command, requiring 1024 SCLK cycles. Calibration is essential after environmental shifts (e.g., reference voltage settling) and ensures sustained accuracy across the full −40°C to +125°C operating range-critical for long-term stability in automotive battery monitoring.
Which package options are available for the MCP33151-05-E/MN, and how do they differ thermally?
The MCP33151-05-E/MN is offered in TDFN-10 (with exposed thermal pad) and MSOP-10 packages. Thermally, the TDFN-10 has θJA = 68°C/W, while the MSOP-10 has θJA = 202°C/W-making TDFN superior for high-power-density applications like automotive ECUs where heat dissipation is constrained. Both packages are Pb-free and RoHS-compliant, and the exposed pad in TDFN-10 must be soldered to a thermal plane per Microchip's layout guidelines to achieve rated performance.
MCP33151-05-E/MN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 10-WFDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 500k
- Number of Inputs:
- 1
- Input Type:
- Single Ended
- Data Interface:
- SPI
- Configuration:
- ADC
- Ratio - S/H:ADC:
- 0:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 5.5V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 10-TDFN (3x3)
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
MCP33151-05-E/MN FAQ
1.How can I place an order for MCP33151-05-E/MN through Aetrix?
Please submit a Request for Quotation (RFQ) for MCP33151-05-E/MN 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 MCP33151-05-E/MN reliable?
The price and inventory of MCP33151-05-E/MN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCP33151-05-E/MN is usually 5 days.
3.What payment methods are accepted for MCP33151-05-E/MN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP33151-05-E/MN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCP33151-05-E/MN?
MCP33151-05-E/MN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCP33151-05-E/MN 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 MCP33151-05-E/MN?
For technical support, including MCP33151-05-E/MN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP33151-05-E/MN requirements.
6.How does Aetrix verify that MCP33151-05-E/MN is sourced from the original manufacturer or authorized distributors?
All MCP33151-05-E/MN 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 MCP33151-05-E/MN meets industry standards.
7.What is the process for return or replacement of MCP33151-05-E/MN?
All MCP33151-05-E/MN units undergo pre-shipment inspection (PSI). If there is an issue with MCP33151-05-E/MN, 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 MCP33151-05-E/MN part is unused and in its original packaging.
Return procedure for MCP33151-05-E/MN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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