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Analog Devices Inc./Maxim Integrated MAX32600-P85B+
- Part No.:
- MAX32600-P85B+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Application Specific Microcontrollers
- Package:
- 192-TFBGA
- Datasheet:
-
MAX32600-P85B+.pdf
- Description:
- IC SECURE MEAS SENSOR
- Quantity:
- Payment:
- Shipping:
Inventory:2,171
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Product details
Overview
The MAX32600-P85B+ from Maxim Integrated is a wellness-focused ARM Cortex-M3 microcontroller operating at up to 24MHz, featuring 256KB flash, 32KB SRAM, a 16-bit ADC with PGA (gain 1–8), two 12-bit DACs, four op-amps, and integrated Trust Protection Unit for AES/ECDSA security. It targets wearable medical devices requiring precision analog measurement and ultra-low-power operation.
For engineers reviewing the MAX32600-P85B+ datasheet, MAX32600-P85B+ pinout, MAX32600-P85B+ application, or MAX32600-P85B+ equivalent, this page delivers verified technical context, package-specific pin mapping, power-mode current values (LP0: 1.25µA, LP1: 1.8µA), ADC dynamic specs (SNR up to 89.9dB), and real-world wellness use cases including pulse oximetry and galvanic skin response.
Technical Context
The MAX32600-P85B+ integrates a dedicated analog front-end (AFE) with programmable gain amplifier, differential 8:1 input mux, internal voltage reference (1.024V–2.5V), and fast 500ksps 16-bit ADC - all optimized for low-noise biopotential signal acquisition. Its Trust Protection Unit includes hardware AES engine, µMAA for ECDSA/RSA, TRNG, and fast-erase SRAM for secure key storage.
Power architecture supports five low-power modes: LP0 (1.25µA with RTC enabled), LP1 (1.8µA with data retention + 15µs wakeup), LP2 (1.25mA), LP3 (5–6.1mA), and active mode (175µA/MHz from cache). Peripheral clock gating and 6-channel DMA enable intelligent background operation during sleep.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3, 24MHz max - enables deterministic real-time control for sensor fusion and closed-loop wellness algorithms. |
| Memory | 256KB flash + 32KB SRAM + 2KB instruction cache - sufficient for embedded firmware with BLE stack, calibration tables, and waveform buffering. |
| ADC Performance | 16-bit resolution, 500ksps max, SNR up to 89.9dB (Nd=64) - supports high-fidelity photoplethysmography (PPG) and bioimpedance measurements. |
| Low-Power Modes | LP0: 1.25µA (RTC on), LP1: 1.8µA (data retention + 15µs wake) - extends battery life in wearable patches and disposable monitors. |
| Security Engine | AES hardware accelerator + µMAA + TRNG - enables FIPS-compliant data encryption and device authentication for HIPAA-compliant health data. |
| Analog Peripherals | 2×12-bit DACs, 4× op-amps, 4× comparators, 8× LED drivers (100mA sink) - allows direct drive of optical sensors and analog signal conditioning without external ICs. |
| Package | 192-ball CTBGA, 12mm × 12mm, 0.65mm pitch - provides high I/O count (64 GPIOs) and thermal performance (θJA = 29.5°C/W) for compact medical PCBs. |
Pinout & Package
MAX32600-P85B+ uses a 192-ball Chip-Scale Thin Ball Grid Array (CTBGA) package, 12mm × 12mm, 0.65mm ball pitch, with exposed thermal pad. Pinout is defined per Maxim's official ball map for the MAX32600-P85 variant (document 19-6947 Rev 7).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA3 | Analog domain supply (2.3–3.6V) | Powers ADC, DACs, op-amps, and reference circuitry; requires separate low-noise filtering from digital VDD. |
| AIN0± to AIN7± | Differential/single-ended analog inputs | Supports 8 differential or 16 single-ended channels; routed through internal 8:1 mux and PGA for flexible sensor interfacing. |
| REFADC / REFDAC | ADC/DAC reference voltage outputs | Programmable internal references (1.024V/1.5V/2.048V/2.5V); can be buffered or overridden by external reference. |
| OUTA–OUTD | Op-amp output terminals | Four rail-to-rail output op-amps; each configurable as transimpedance amp, filter, or buffer for sensor signal conditioning. |
| SNO0–SNO3 / SCM0–SCM3 | SPST analog switch control terminals | Four uncommitted SPST switches (RON ≤ 50Ω) for multiplexing sensor paths or calibrating reference voltages. |
| TCK/TDO/TDI/TMS | JTAG debug interface | Standard 4-pin JTAG for full boundary-scan, flash programming, and real-time debugging in production test and field updates. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated AFE with PGA and 8:1 mux | Eliminates ≥4 external components per channel in PPG or ECG front-ends, reducing BOM cost and board area by >30%. |
| Hardware Trust Protection Unit | Enables end-to-end encrypted data transmission to cloud platforms without software crypto overhead or key exposure risk. |
| LP0/LP1 ultra-low-power states | Allows continuous heart-rate monitoring with coin-cell battery (CR2032) lasting >7 days in wearable patch form factor. |
| On-chip temperature sensor (±3°C error) | Provides real-time die temperature compensation for ADC offset/gain drift, improving long-term measurement stability. |
| USB Full-Speed PHY with VBUS sensing | Enables direct PC connectivity for firmware updates and clinical data export without external USB bridge IC. |
Applications
| Pulse Oximetry Measurement | Galvanic Skin Response Measurement |
|---|---|
Use Scenario: Wearable fingertip or wrist-based SpO₂ monitor acquiring red/IR PPG signals under motion artifact. IC Role / Device Role / Timing Role: Simultaneous dual-channel ADC sampling (500ksps), synchronized LED driver control (8× 100mA sinks), and real-time FFT processing via Cortex-M3. Use Value: On-die PGA gain switching and decimation filtering reduce noise floor to <1 LSB RMS, enabling accurate saturation calculation at low perfusion. | Use Scenario: Stress-monitoring wristband measuring electrodermal activity (EDA) across two electrodes with sub-µS conductivity resolution. IC Role / Device Role / Timing Role: Precision current source (up to 120µA) into skin, 16-bit ADC digitization of mV-level voltage drop, and adaptive baseline correction in firmware. Use Value: Integrated op-amps configured as transimpedance amplifiers eliminate external feedback networks, improving phase margin and reducing layout sensitivity. |
| Blood Glucose Metering | Wearable Medical Patch Platform |
Use Scenario: Discrete-use glucose strip reader using amperometric detection with temperature-compensated current integration. IC Role / Device Role / Timing Role: Programmable current source (IAIN1P0–IAIN1P3), 16-bit ADC with 2.048V reference, internal temp sensor, and secure BLE-ready firmware execution. Use Value: Single-chip solution replaces discrete current source + ADC + MCU + security IC, cutting bill-of-materials by 40% and enabling Class II medical certification. | Use Scenario: Rechargeable multi-parameter patch (ECG, respiration, skin temp) transmitting encrypted data to smartphone via BLE. IC Role / Device Role / Timing Role: Central controller managing sensor sequencing, LP1/LP0 state transitions, AES-128 encryption, and USB mass-storage mode for clinical audit logs. Use Value: Hardware TRNG and µMAA ensure unique device identity and cryptographically signed firmware updates, satisfying FDA cybersecurity guidance for connected devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wellness microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADuCM3029BBCZ | ARM Cortex-M3 @ 26MHz; 256KB flash/64KB SRAM; 12-bit SAR ADC (1MSPS); no integrated PGA or LED drivers | Requires external analog front-end for PPG; better suited for general-purpose industrial sensing than wearable biometrics | Select when higher ADC speed is critical and external AFE is acceptable; not drop-in for MAX32600-P85B+ AFE-dependent designs |
| STM32L4A6VGT6 | ARM Cortex-M4F @ 80MHz; 1MB flash/320KB SRAM; 12-bit ADC (5MSPS); no Trust Zone or hardware crypto accelerators | Lacks integrated security engine and medical-grade AFE; needs external AES co-processor and op-amp network for comparable functionality | Choose for high-throughput sensor fusion with DSP capability; avoid when HIPAA/FDA compliance mandates on-die crypto acceleration |
Compared with ADuCM3029BBCZ and STM32L4A6VGT6, the MAX32600-P85B+ uniquely combines medical-grade analog signal chain (PGA, 16-bit ADC, LED drivers), ultra-low-power LP0/LP1 states, and certified hardware security - enabling single-chip Class II wearable designs without compromise on size, battery life, or regulatory readiness.
Availability
MAX32600-P85B+ is available at Aetrix Electronics and suitable for wearable medical devices, pulse oximetry systems, and galvanic skin response monitors requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for MAX32600-P85B+ 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and secure microcontroller solutions for demanding industrial, medical, and communications applications.
The MAX32600 product line is engineered specifically for battery-powered wellness and medical monitoring devices, integrating high-resolution analog peripherals, ultra-low-power operation, and hardware-enforced security to accelerate FDA-cleared design cycles.
FAQ
What is the maximum ADC sampling rate supported by the MAX32600-P85B+?
The MAX32600-P85B+ supports up to 500ksps in PGA-bypass mode. With PGA enabled, throughput drops slightly (e.g., 421ksps at gain=8) due to increased acquisition time. Decimation filters further reduce effective rate but improve SNR - e.g., Nd=64 yields ~7.8ksps with 89.9dB SNR. All rates are achievable within the 24MHz system clock domain.
Does the MAX32600-P85B+ include hardware cryptographic acceleration?
Yes, the MAX32600-P85B+ includes a dedicated Trust Protection Unit with AES-128/256 hardware engine, µMAA for ECDSA and RSA signature generation/verification, True Random Number Generator (TRNG), and fast-erase SRAM for secure key storage - meeting NIST SP 800-90A/B/C requirements for embedded medical devices.
What package type and dimensions does the MAX32600-P85B+ use?
The MAX32600-P85B+ uses a 192-ball Chip-Scale Thin Ball Grid Array (CTBGA) package measuring 12mm × 12mm with 0.65mm ball pitch and an exposed thermal pad. This matches the "P85" suffix designation in the part number and is distinct from the 120-ball (7mm × 7mm) and 108-ball WLP variants.
Can the MAX32600-P85B+ operate from a single 3.0V lithium coin cell?
Yes - the MAX32600-P85B+ operates across VDD = 1.8V to 3.6V and achieves 1.25µA in LP0 mode (RTC active) and 1.8µA in LP1 mode (data retention + 15µs wakeup). With proper power sequencing and external LDO bypass, it sustains >7-day runtime on a CR2032 in continuous PPG monitoring mode.
How many GPIO pins are available on the MAX32600-P85B+?
The MAX32600-P85B+ provides 64 general-purpose I/O pins, mapped across ports P0–P7. These support multiple functions including UART, SPI, I²C, USB D+/D−, 32kHz crystal interface, and dedicated analog inputs (AIN0±–AIN7±). All GPIOs feature programmable pull-up/pull-down, Schmitt-trigger inputs, and 25mA sink/source capability.
MAX32600-P85B+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 192-TFBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Applications:
- Wellness Measurement
- Core Processor:
- ARM® Cortex®-M3
- Program Memory Type:
- FLASH (256kB)
- Controller Series:
- MAX32600
- RAM Size:
- 32K x 8
- Interface:
- I2C, SPI, UART/USART, USB
- Number of I/O:
- 64
- Voltage - Supply:
- 1.8V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 192-CTBGA (12x12)
MAX32600-P85B+ FAQ
1.How can I place an order for MAX32600-P85B+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX32600-P85B+ 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 MAX32600-P85B+ reliable?
The price and inventory of MAX32600-P85B+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX32600-P85B+ is usually 5 days.
3.What payment methods are accepted for MAX32600-P85B+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX32600-P85B+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX32600-P85B+?
MAX32600-P85B+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX32600-P85B+ 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 MAX32600-P85B+?
For technical support, including MAX32600-P85B+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX32600-P85B+ requirements.
6.How does Aetrix verify that MAX32600-P85B+ is sourced from the original manufacturer or authorized distributors?
All MAX32600-P85B+ 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 MAX32600-P85B+ meets industry standards.
7.What is the process for return or replacement of MAX32600-P85B+?
All MAX32600-P85B+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX32600-P85B+, 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 MAX32600-P85B+ part is unused and in its original packaging.
Return procedure for MAX32600-P85B+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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