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Analog Devices Inc. ADUC7039BCP6Z-RL
- Part No.:
- ADUC7039BCP6Z-RL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Microcontrollers
- Package:
- 32-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADUC7039BCP6Z-RL.pdf
- Description:
- IC MCU 16/32B 64KB FLASH 32LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:3,606
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Product details
Overview
ADUC7039BCP6Z-RL from Analog Devices is an automotive-grade, integrated precision battery sensor IC combining dual 16-bit Σ-Δ ADCs (current/voltage/temperature), ARM7TDMI-S MCU core, LIN 2.1 slave interface, and on-chip LDO regulators - all in a single 32-pin LFCSP package. It directly monitors 12 V battery current, voltage, and temperature with ±0.1% total gain error, 10 Hz–1 kHz programmable ADC throughput, and −40°C to +115°C operation for battery management in engine control units and body electronics.
For engineers reviewing the ADUC7039BCP6Z-RL datasheet, ADUC7039BCP6Z-RL pinout, ADUC7039BCP6Z-RL application, or ADUC7039BCP6Z-RL equivalent, key selection criteria include its dual-channel simultaneous-sampling ADC architecture, LIN-compliant physical layer, integrated 5 ppm/°C reference, 64 kB Flash/4 kB SRAM memory, and direct 3.5–18 V battery supply operation without external regulators.
Technical Context
The ADUC7039BCP6Z-RL implements a dedicated analog acquisition subsystem with fully differential buffered current channel (−200 mV to +300 mV input range, gain up to 512), attenuated voltage channel (4–18 V valid range, 24:1 resistive divider), and dual temperature sensing (on-die and external NTC/PTC via VTEMP/GND_SW). Its ARM7TDMI-S core runs at default 10.24 MHz (20.48 MHz PLL-enabled) with JTAG debug and LIN bootload capability.
System-level integration includes SAE J2602/LIN 2.1-compliant transceiver with dominant/recessive threshold control, programmable low-power monitor mode (750 µA ADC active), internal 2.6 V REG_AVDD/REG_DVDD LDOs, and power-on-reset with 3.0 V trip level. All specifications are fully qualified for automotive AEC-Q100 Grade 1 (−40°C to +115°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ADC Resolution | Dual 16-bit simultaneous-sampling Σ-Δ ADCs - enables high-precision current shunt and battery voltage measurement without external signal conditioning. |
| ADC Throughput | Programmable 10 Hz to 1 kHz - supports dynamic battery state-of-charge estimation across varying load conditions. |
| Total Gain Error (Current) | ±0.1% typical (factory calibrated at gain = 4) - ensures accurate current sensing over full temperature range without per-unit calibration. |
| LIN Interface | SAE J2602/LIN 2.1 slave compliant - allows direct connection to vehicle body control modules without external transceiver. |
| Operating Voltage | 3.5 V to 18 V direct battery supply - eliminates need for external DC-DC converter in 12 V automotive systems. |
| Temperature Range | −40°C to +115°C ambient - meets AEC-Q100 Grade 1 requirements for under-hood battery sensing applications. |
| Memory | 64 kB Flash/EE (10,000 cycles, 20-year retention) + 4 kB SRAM - supports robust firmware updates and runtime data logging in safety-critical systems. |
Pinout & Package
ADUC7039BCP6Z-RL uses a 32-pin, 6 mm × 6 mm LFCSP (Lead Frame Chip Scale Package) with exposed paddle thermally connected to DGND. The package supports automotive thermal dissipation requirements (θJA = 32°C/W) and is RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Internal weak pull-up to REG_DVDD; enables hardware reset initiation and system recovery during brown-out events. |
| IIN+, IIN− | Differential current sense inputs | Fully buffered, programmable-gain inputs accepting ±2.3 mV to ±300 mV range - optimized for Kelvin-connected shunt resistor monitoring. |
| VBAT | Battery supply input | Direct connection to 12 V battery rail; powers internal LDOs and enables operation down to 3.5 V for cold-cranking support. |
| LIN | LIN bus transceiver I/O | Integrated physical layer supporting dominant/recessive signaling per LIN 2.1; includes short-circuit protection and ±6 kV ESD rating. |
| VTEMP, GND_SW | External temperature sensor interface | Differential input for NTC/PTC thermistors; GND_SW serves as negative reference and enables ratiometric measurement accuracy. |
| GPIO_0/SS to GPIO_5 | Configurable digital I/O | Six multifunction pins supporting SPI slave (MOSI/MISO/SCLK/SS), IRQ1, and general-purpose control - reduces external logic count. |
Key Features
| Feature | Design Value |
|---|---|
| Dual simultaneous-sampling Σ-Δ ADCs | Enables time-aligned current and voltage measurements critical for real-time battery impedance calculation and SoH estimation. |
| On-chip 5 ppm/°C voltage reference | Eliminates external reference IC, reducing BOM cost and PCB area while maintaining <±10 ppm FSR INL over temperature. |
| Integrated LIN 2.1 slave transceiver | Removes need for discrete LIN transceiver IC, simplifying layout and improving EMC robustness in noisy automotive environments. |
| Low-power monitor mode (750 µA) | Supports always-on battery monitoring during vehicle sleep mode without compromising ECU quiescent current budgets. |
| ARM7TDMI-S core with JTAG/LIN bootload | Enables field firmware updates via existing LIN infrastructure - no additional programming hardware required for production or service. |
Applications
| Engine Control Unit (ECU) Battery Monitoring | Body Control Module (BCM) Power Management |
|---|---|
|
Use Scenario: Real-time monitoring of starter battery health during engine cranking, idle-stop operation, and accessory load cycling. IC Role / Device Role / Timing Role: Precision analog front-end + embedded controller performing simultaneous current/voltage/temperature acquisition and LIN-based state reporting. Use Value: Enables accurate state-of-charge (SoC) and state-of-health (SoH) calculation using factory-calibrated ADC gain/offset, eliminating per-unit calibration labor. |
Use Scenario: Continuous supervision of auxiliary battery voltage and leakage current in door modules, lighting controllers, and infotainment gateways. IC Role / Device Role / Timing Role: Low-power battery sensor providing wake-up triggers and diagnostic data over LIN bus to central BCM. Use Value: Achieves 750 µA active monitoring current in sleep mode - extends vehicle standby time while maintaining fault detection responsiveness. |
| Start-Stop System Supervision | 12 V Lithium-Ion Battery Management |
|
Use Scenario: High-accuracy current measurement during repeated engine restarts to validate alternator output and detect parasitic drain. IC Role / Device Role / Timing Role: Dual-channel ADC captures transient current spikes (up to 1000 Hz) synchronized with voltage sampling for precise energy accounting. Use Value: Delivers ±0.1% total gain error across −40°C to +115°C - ensures reliable start-stop cycle counting and battery lifetime prediction. |
Use Scenario: Cell balancing readiness assessment and thermal runaway prevention in 12 V Li-ion backup batteries for ADAS and telematics. IC Role / Device Role / Timing Role: Combined external NTC (via VTEMP/GND_SW) and on-die temperature sensing with 16-bit resolution for multi-point thermal profiling. Use Value: Supports ratiometric temperature measurement with <±3°C uncalibrated accuracy - enables early thermal anomaly detection before cell damage occurs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar battery sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADUC7024BCP6Z-RL | Lacks integrated LIN transceiver; requires external LIN PHY; same ARM7 core and ADC architecture but no voltage channel attenuator. | Suitable only where CAN or SPI communication is used instead of LIN; not drop-in for battery-sensing nodes requiring native LIN connectivity. | Select when LIN is unnecessary and cost-sensitive designs can accommodate external transceiver and separate voltage scaling. |
| MAX17852GCM+ | Dedicated 16-channel battery monitor ASIC with daisy-chain capability; no embedded MCU; higher channel count but no programmable firmware execution. | Targeted at multi-cell EV battery packs (not 12 V automotive); lacks LIN interface and standalone microcontroller functionality. | Choose for high-channel-count, high-voltage battery stacks where centralized host MCU handles algorithm execution. |
Compared with ADUC7039BCP6Z-RL, ADUC7024BCP6Z-RL requires external LIN hardware and offers no integrated voltage attenuation, while MAX17852GCM+ provides scalable cell monitoring but no embedded processing or LIN slave capability - making ADUC7039BCP6Z-RL uniquely suited for single-node, LIN-connected 12 V battery sensing with firmware-defined logic.
Availability
ADUC7039BCP6Z-RL is available at Aetrix Electronics and suitable for automotive battery management, engine control unit diagnostics, and body electronics power supervision requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for ADUC7039BCP6Z-RL 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, and communications markets with precision data conversion and power management solutions.
The ADuC7039 product line delivers integrated analog/microcontroller solutions specifically engineered for automotive battery sensing - combining metrology-grade ADCs, LIN connectivity, and AEC-Q100 qualification in compact packages.
FAQ
What is the operating voltage range supported by the ADUC7039BCP6Z-RL?
The ADUC7039BCP6Z-RL operates directly from a 3.5 V to 18 V battery supply, enabling seamless integration into 12 V automotive electrical systems including cold-cranking scenarios. Internal LDOs generate regulated 2.6 V analog (REG_AVDD) and digital (REG_DVDD) supplies, eliminating need for external regulators. This wide input range ensures reliable function across battery voltage transients common in engine start-stop and alternator load dump conditions.
Does the ADUC7039BCP6Z-RL include an integrated LIN transceiver?
Yes, the ADUC7039BCP6Z-RL integrates a SAE J2602/LIN 2.1-compliant physical layer transceiver on-chip, including dominant/recessive threshold control, short-circuit protection, and ±6 kV ESD rating on the LIN pin. This eliminates the need for an external LIN transceiver IC, reducing bill-of-materials cost and PCB footprint while improving electromagnetic compatibility in automotive environments.
What ADC performance specifications does the ADUC7039BCP6Z-RL guarantee over temperature?
The ADUC7039BCP6Z-RL guarantees ±0.1% typical total gain error and ±10 ppm FSR integral nonlinearity for both current and voltage channels across −40°C to +115°C. Its on-chip 5 ppm/°C voltage reference and factory-calibrated PGA ensure stable measurement accuracy without per-unit calibration, critical for automotive battery state estimation algorithms requiring long-term repeatability.
How is the ADUC7039BCP6Z-RL configured for external temperature sensing?
The ADUC7039BCP6Z-RL supports external NTC/PTC thermistor measurement via the VTEMP and GND_SW pins, forming a differential input pair referenced to the internal 1.2 V bandgap. GND_SW serves as the negative input and enables ratiometric operation, minimizing errors from reference drift. The device achieves ±3°C uncalibrated accuracy over −40°C to +85°C, sufficient for thermal runaway detection in 12 V lithium systems.
What packaging and thermal characteristics apply to the ADUC7039BCP6Z-RL?
The ADUC7039BCP6Z-RL uses a 32-pin, 6 mm × 6 mm LFCSP package with exposed thermal pad connected internally to DGND. Its thermal impedance (θJA) is 32°C/W, enabling operation at full specification (−40°C to +115°C ambient) without forced airflow. The package is RoHS-compliant and qualified to AEC-Q100 Grade 1, meeting automotive under-hood reliability requirements.
ADUC7039BCP6Z-RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 32-VFQFN Exposed Pad, CSP
- Series:
- MicroConverter® ADuC7xxx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM7®
- Core Size:
- 16/32-Bit
- Speed:
- 20.48MHz
- Connectivity:
- LINbus, SPI
- Peripherals:
- POR, Temp Sensor, WDT
- Number of I/O:
- 6
- Program Memory Size:
- 64KB (32K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 32
- Voltage - Supply (Vcc/Vdd):
- 3.5V ~ 18V
- Data Converters:
- A/D 2x16b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 115°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
ADUC7039BCP6Z-RL FAQ
1.How can I place an order for ADUC7039BCP6Z-RL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADUC7039BCP6Z-RL 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 ADUC7039BCP6Z-RL reliable?
The price and inventory of ADUC7039BCP6Z-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUC7039BCP6Z-RL is usually 5 days.
3.What payment methods are accepted for ADUC7039BCP6Z-RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUC7039BCP6Z-RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADUC7039BCP6Z-RL?
ADUC7039BCP6Z-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADUC7039BCP6Z-RL 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 ADUC7039BCP6Z-RL?
For technical support, including ADUC7039BCP6Z-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUC7039BCP6Z-RL requirements.
6.How does Aetrix verify that ADUC7039BCP6Z-RL is sourced from the original manufacturer or authorized distributors?
All ADUC7039BCP6Z-RL 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 ADUC7039BCP6Z-RL meets industry standards.
7.What is the process for return or replacement of ADUC7039BCP6Z-RL?
All ADUC7039BCP6Z-RL units undergo pre-shipment inspection (PSI). If there is an issue with ADUC7039BCP6Z-RL, 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 ADUC7039BCP6Z-RL part is unused and in its original packaging.
Return procedure for ADUC7039BCP6Z-RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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