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Analog Devices Inc./Maxim Integrated ADES1754GCB/V+
- Part No.:
- ADES1754GCB/V+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Battery Management
- Package:
- 64-LQFP
- Datasheet:
-
ADES1754GCB/V+.pdf
- Description:
- ADES1754GCB/V+
- Quantity:
- Payment:
- Shipping:
Inventory:159
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Product details
Overview
ADES1754GCB/V+ from Analog Devices is a 14-channel, high-voltage battery monitor IC for lithium-ion and LFP battery stacks, performing simultaneous cell voltage (−2.5 V to +5 V) and bus-bar measurements over 65 V common-mode range with ±2.2 mV accuracy (−40°C to +105°C), 14 integrated >300 mA balancing switches, and dual UART/I²C interfaces - deployed in residential energy storage and EV charging systems.
For engineers reviewing the ADES1754GCB/V+ datasheet, ADES1754GCB/V+ pinout, ADES1754GCB/V+ application, or ADES1754GCB/V+ equivalent, key selection criteria include daisy-chain scalability (up to 32 devices), redundant ADC/comparator acquisition engines (162 µs full-scan), thermal shutdown at +145°C, hot-plug tolerance without external protection, and IIR-filtered oversampling up to 128× per channel.
Technical Context
The ADES1754GCB/V+ implements two independent measurement engines: a 12-bit SAR ADC for precision voltage acquisition and a comparator-based engine for rapid fault detection. It supports unipolar/bipolar cell input modes, programmable oversampling (up to 128×), and digital IIR filtering to suppress noise in noisy battery-pack environments.
Its communication architecture features dual isolated UART ports (TXUP/TXUN and TXLP/TXLN) supporting auto-detect baud rates up to 2 Mbps, packet-error checking (PEC), and hardware-alert interfaces (ALERTIN/ALERTOUT) for real-time fault propagation across daisy-chained topologies - all while maintaining galvanic isolation via inductive coupling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Cell Channels | 14 independent differential inputs for cell voltage monitoring, enabling direct connection to 14-series battery strings. |
| Accuracy (−40°C to +105°C) | ±2.2 mV unipolar/bipolar mode - ensures SOC estimation error remains under 0.5% for 3.6 V nominal Li-ion cells. |
| Common-Mode Range | 0 V to 65 V - supports monitoring of high-voltage battery packs up to 65 V stack potential relative to AGND. |
| Cell Balancing Current | >300 mA per channel, software-programmable - enables active balancing to correct cell-to-cell voltage drift in long-life ESS applications. |
| Acquisition Time (Full Scan) | 162 µs with redundant ADC+COMP engines - meets ASIL-B timing requirements for functional safety diagnostics. |
| UART Baud Rate | Up to 2 Mbps with auto-detect and 1.5 µs propagation delay per device - sustains deterministic latency in 32-device daisy chains. |
| Operating Temp Range | −40°C to +105°C - qualified for under-hood automotive auxiliary battery monitoring and outdoor energy storage enclosures. |
Pinout & Package
LQFP-64 package (Package Code C64+13C, Outline 21-0083), thermally optimized for multilayer PCBs with θJA = 40°C/W and θJC = 8°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SHDNL | Active-low shutdown control | +72 V tolerant input; controls system power state and enables hot-plug-safe initialization without external circuitry. |
| C0–C14 | Differential cell voltage inputs | Measure adjacent cell potentials (Cn − Cn−1); support bipolar (±2.5 V) and unipolar (0–5 V) ranges with 65 V CMRR. |
| SW0–SW14 | Cell balancing switch terminals | Integrate MOSFET drivers rated for >300 mA continuous current; enable autonomous or host-triggered balancing. |
| TXLP/TXLN, TXUP/TXUN | Differential UART transceiver outputs | Support dual isolated UART links (lower/upper ports); tolerate ±30 V common-mode for robust isolation interface design. |
| ALERTIN/ALERTOUT | Hardware fault alert chain | CMOS/open-drain configurable; propagates overvoltage, undervoltage, overtemperature, and cell-mismatch faults across daisy chain. |
| VDDL2/VDDL3 | 3.3 V regulated supplies | On-chip LDOs powering UART transceivers and ALERT logic; support external overdrive up to 5.5 V for flexible rail sourcing. |
Key Features
| Feature | Design Value |
|---|---|
| Redundant acquisition engines | ADC + comparator paths provide independent voltage validation - required for ISO 26262 ASIL-B diagnostic coverage. |
| Integrated thermal protection | Detects die temperature and triggers automatic shutdown at +145°C with 15°C hysteresis - prevents thermal runaway during fault conditions. |
| Hot-plug tolerance | Withstands live insertion into powered battery stacks without external TVS or clamping - reduces BOM count and layout complexity. |
| Configurable auxiliary inputs | Six AUXIN pins support temperature sensing (NTC/PT100), system voltage monitoring, or GPIO - eliminates need for external signal conditioning. |
| Dual UART with PEC | Two independent differential UART ports with packet-error checking ensure reliable command/response integrity in noisy EMI environments. |
Applications
| Residential Battery Storage Systems | High-Voltage Battery Stacks |
|---|---|
Use Scenario: Monitoring 14-series LFP battery modules in home energy storage units with 400–600 V DC bus. IC Role / Device Role / Timing Role: Primary cell voltage and temperature acquisition IC; performs full 14-cell scan every 162 µs using redundant engines for safety-critical diagnostics. Use Value: Enables precise state-of-charge estimation and cell-balancing control to extend pack lifetime beyond 6,000 cycles. | Use Scenario: Managing 32-unit daisy-chained stacks in commercial BESS cabinets with distributed thermal monitoring. IC Role / Device Role / Timing Role: High-voltage analog front-end with galvanically isolated UART; synchronizes acquisition across 448 cells via daisy-chain clock forwarding. Use Value: Eliminates need for external isolators and reduces interconnect wiring by 70% versus discrete ADC + isolator solutions. |
| Battery-Backup Systems (UPS) | EV Charging Infrastructure |
Use Scenario: Real-time voltage supervision of 12–16 series Li-ion backup banks in telecom UPS with fast-fault response. IC Role / Device Role / Timing Role: Fault-detection node using comparator engine for sub-100 µs overvoltage/undervoltage alerts via ALERTOUT hardware pin. Use Value: Meets UL 1778 Class I response time requirements (<10 ms) without host MCU intervention. | Use Scenario: Cell-level monitoring in liquid-cooled DC fast-charging battery racks operating at 800 V nominal. IC Role / Device Role / Timing Role: High-CMRR data acquisition unit interfacing to isolated microcontroller via upper UART port (TXUP/TXUN). Use Value: Supports 2 Mbps UART with <1.5 µs per-device delay - maintains <50 µs end-to-end latency across 16-device chains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage battery monitor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADES1755GCB/V+ | ±5 mV accuracy over −40°C to +105°C; otherwise identical pinout, features, and timing. | Targeted at cost-optimized industrial ESS where tighter accuracy is not required. | Select ADES1755GCB/V+ when ±5 mV cell voltage error is acceptable and BOM cost reduction is prioritized. |
| BQ79616-Q1 | 16-channel, automotive-grade AEC-Q100 qualified; uses SPI instead of UART; no integrated charge pump. | Designed for automotive traction battery packs requiring ASIL-D compliance and CAN integration. | Choose BQ79616-Q1 only for automotive OEM programs needing AEC-Q100 certification and SPI-based host interface. |
Compared with ADES1755GCB/V+, the ADES1754GCB/V+ provides tighter ±2.2 mV accuracy critical for premium residential storage with narrow voltage-based SOC windows; versus BQ79616-Q1, it offers superior daisy-chain scalability and integrated UART isolation but lacks AEC-Q100 qualification.
Availability
ADES1754GCB/V+ is available at Aetrix Electronics and suitable for residential battery storage systems, high-voltage battery stacks, and EV charging infrastructure requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for ADES1754GCB/V+ 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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The ADES1754/ADES1755/ADES1756 family is designed specifically for high-reliability battery management in energy storage and electrified transportation, emphasizing redundancy, galvanic isolation, and functional safety compliance.
FAQ
What is the maximum number of ADES1754GCB/V+ devices that can be daisy-chained?
The ADES1754GCB/V+ supports daisy-chaining up to 32 devices on a single UART bus, enabling monitoring of up to 448 cells and 192 temperature points. This topology is implemented using the dedicated ALERTIN/ALERTOUT and TXUP/TXUN interfaces with automatic baud-rate detection and per-device 1.5 µs propagation delay - ensuring deterministic timing in large-scale battery systems. Each ADES1754GCB/V+ retains independent configuration and fault reporting capability within the chain.
Does ADES1754GCB/V+ support both unipolar and bipolar cell voltage measurement modes?
Yes, ADES1754GCB/V+ supports both unipolar (0 V to +5 V) and bipolar (−2.5 V to +2.5 V) differential cell voltage measurement modes. The mode is selected via register configuration and affects input range, accuracy specification (±2.2 mV applies to both), and common-mode handling. Bipolar mode enables detection of reverse-polarity faults or transient negative spikes during cell disconnect events - a critical capability in fail-safe BMS architectures.
What is the role of the SHDNL pin on ADES1754GCB/V+ and how is it used in system design?
The SHDNL pin on ADES1754GCB/V+ is an active-low, +72 V tolerant shutdown input that places the device into ultra-low-power mode (2 µA typical). It can be controlled either by external hardware or via UART commands, and must be bypassed with a 1 nF capacitor to AGND when software-controlled. Its high-voltage tolerance allows direct connection to battery stack voltages - enabling safe hot-plug operation and eliminating the need for level-shifting circuitry in high-side monitoring configurations.
How does the redundant ADC and comparator acquisition architecture in ADES1754GCB/V+ improve functional safety?
The ADES1754GCB/V+ implements two independent measurement engines - a 12-bit SAR ADC and a comparator array - allowing concurrent or cross-validated acquisition of all 14 cell voltages. This redundancy enables real-time comparison of results, detection of ADC or comparator failure, and generation of diagnostic alerts without host intervention. The architecture supports ISO 26262 ASIL-B compliance by achieving >90% diagnostic coverage for voltage measurement faults, including stuck-at, open-circuit, and gain errors.
Can ADES1754GCB/V+ measure temperature directly, and what interfaces does it support for external sensors?
ADES1754GCB/V+ does not include integrated temperature sensor diodes but provides six configurable AUXIN pins that accept analog inputs from external NTC, PTC, or RTD sensors. Each AUXIN supports ratiometric or absolute reference modes, with 12-bit resolution and ±3.5 mV accuracy. These inputs can also be repurposed as GPIO or I²C SDA/SCL lines. The IC also integrates a die temperature sensor with ±5°C accuracy, used exclusively for thermal shutdown control and not exposed as a user-accessible measurement channel.
ADES1754GCB/V+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 64-LQFP
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- Battery Balancing
- Battery Chemistry:
- Multi-Chemistry
- Number of Cells:
- 14
- Fault Protection:
- Over Current, Over Temperature, Over/Under Voltage, Short Circuit
- Interface:
- UART
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 64-LQFP (10x10)
ADES1754GCB/V+ FAQ
1.How can I place an order for ADES1754GCB/V+ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADES1754GCB/V+ 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 ADES1754GCB/V+ reliable?
The price and inventory of ADES1754GCB/V+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADES1754GCB/V+ is usually 5 days.
3.What payment methods are accepted for ADES1754GCB/V+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADES1754GCB/V+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADES1754GCB/V+?
ADES1754GCB/V+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADES1754GCB/V+ 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 ADES1754GCB/V+?
For technical support, including ADES1754GCB/V+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADES1754GCB/V+ requirements.
6.How does Aetrix verify that ADES1754GCB/V+ is sourced from the original manufacturer or authorized distributors?
All ADES1754GCB/V+ 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 ADES1754GCB/V+ meets industry standards.
7.What is the process for return or replacement of ADES1754GCB/V+?
All ADES1754GCB/V+ units undergo pre-shipment inspection (PSI). If there is an issue with ADES1754GCB/V+, 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 ADES1754GCB/V+ part is unused and in its original packaging.
Return procedure for ADES1754GCB/V+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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