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Analog Devices Inc./Maxim Integrated MAX9610TELT+T
- Part No.:
- MAX9610TELT+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 6-WDFN
- Datasheet:
-
MAX9610TELT+T.pdf
- Description:
- IC CURRENT SENSE 1 CIRCUIT 6UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,000
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Product details
Overview
The MAX9610TELT+T from Maxim Integrated is a unidirectional high-side current-sense amplifier with 25V/V fixed gain, 500μV (max) input offset voltage, 0.5% (max) gain error, and ultra-low 1μA quiescent supply current. It operates over a +1.6V to +5.5V input common-mode range and delivers voltage output for precision Li+-battery current monitoring in space-constrained portable systems.
For engineers reviewing the MAX9610TELT+T datasheet, MAX9610TELT+T pinout, MAX9610TELT+T application, or MAX9610TELT+T equivalent, this device supports accurate full-scale sensing down to 25mV VSENSE, enables minimal IR drop in battery power paths, and fits in a 1mm × 1.5mm μDFN package-critical for notebook, USB port, and PDA power management designs.
Technical Context
The MAX9610TELT+T uses a BiCMOS-based current-mirror architecture where an internal pFET sources current through matched gain resistors (R1 = 400Ω, ROUT = 10kΩ) to generate VOUT = ILOAD × RSENSE × 25. Its supply is derived solely from the sensed common-mode voltage (RS+/RS−), eliminating need for separate VCC.
It achieves 80–104dB CMRR across 1.6V–5.5V common-mode range and maintains stable operation with any external capacitive load. Small-signal bandwidth is 170kHz (G=25), settling time is 35μs to 1%, and power-up time is 100μs-enabling fast, low-latency current feedback in battery protection circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 25V/V - sets output scaling for 25mV–50mV full-scale sense voltage, minimizing IR loss while preserving ADC resolution |
| Input Offset Voltage (VOS) | ≤500μV (max) - enables accurate measurement of sub-100mA currents with 100mΩ sense resistor |
| Gain Error | ≤0.5% (max) - ensures <±1.25mV absolute error at 250mV output, critical for battery fuel gauging accuracy |
| Supply Current (ICC) | ≤1μA (max) - extends runtime in always-on battery monitoring paths without compromising quiescent power budget |
| Common-Mode Input Range | +1.6V to +5.5V - fully covers single-cell Li+ battery voltage (2.9V–4.2V), including recharge threshold and full-charge states |
| Output Resistance (ROUT) | 7.0–13.2kΩ - interfaces directly with high-impedance ADC inputs without buffer, reducing BOM count |
| Small-Signal Bandwidth | 170kHz - supports dynamic load transient detection in USB power delivery and charger control loops |
Pinout & Package
MAX9610TELT+T is housed in a 6-pin μDFN package (1.0mm × 1.5mm × 0.8mm footprint, pins on bottom). Pin 1 is RS+, Pin 2 is GND, Pin 3 is OUT, Pin 4 is RS−, Pin 5 is N.C., Pin 6 is N.C. The two no-connect pins are not internally bonded and must remain unconnected per datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (RS+) | High-side power rail connection | Carries full battery voltage; defines supply and common-mode reference-no separate VCC required |
| Pin 2 (GND) | Analog ground reference | Return path for internal bias and output stage; must be Kelvin-connected to minimize ground bounce errors |
| Pin 3 (OUT) | Voltage output terminal | Delivers amplified VSENSE × 25; drives ADC or comparator directly; VOH ≤ 0.2V below RS− |
| Pin 4 (RS−) | Load-side sense node | Completes current-sense loop; voltage difference between RS+ and RS− equals ILOAD × RSENSE |
| Pins 5 & 6 (N.C.) | No internal connection | Must be left floating-no routing, soldering, or grounding permitted to avoid parasitic coupling or latch-up risk |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low 1μA supply current | Enables continuous battery current monitoring in sleep mode without measurable impact on standby life |
| 500μV max input offset voltage | Supports use of ≤100mΩ sense resistors while maintaining <1% total error at 100mA load |
| 25V/V fixed gain | Optimizes signal chain for 3.3V ADCs: 100mA × 50mΩ × 25 = 125mV output, fitting within 0–300mV low-range input |
| +1.6V to +5.5V common-mode range | Covers entire Li+ battery discharge curve (2.9V–4.2V) and accommodates 3.3V/5V system rails without level shifting |
| Stable with unlimited capacitive load | Eliminates need for output buffer or isolation resistor when driving long traces or ADC sample capacitors |
Applications
| USB Power Delivery Monitoring | Lithium-Ion Battery Protection |
|---|---|
|
Use Scenario: Real-time current measurement in Type-C ports to enforce 3A/5A limits and detect short-circuit faults. IC Role / Device Role / Timing Role: High-side current-sense amplifier providing isolated, ground-referenced voltage output proportional to bus current. Use Value: Enables compliance with USB PD 3.0 fault response timing (<100μs) using MAX9610TELT+T's 35μs settling time and 100μs power-up. |
Use Scenario: Monitoring charge/discharge current in smartphone battery packs to prevent overcurrent and thermal runaway. IC Role / Device Role / Timing Role: Precision analog front-end converting milliohm-level sense voltage into clean, low-drift output for fuel gauge MCU. Use Value: 500μV VOS and 0.5% gain error ensure ±1% current accuracy across -40°C to +85°C, meeting JEITA battery safety requirements. |
| Notebook System Power Management | Portable Camera Power Path Control |
|
Use Scenario: Measuring CPU/GPU rail current to dynamically throttle performance and manage thermal envelope. IC Role / Device Role / Timing Role: High-bandwidth (170kHz) current sensor feeding real-time telemetry to embedded power controller. Use Value: 1μA quiescent current allows always-on monitoring without degrading platform idle power, while μDFN size saves PCB area near VRMs. |
Use Scenario: Controlling flash LED current and detecting lens motor stall in compact digital cameras. IC Role / Device Role / Timing Role: Low-voltage-drop current monitor placed in high-side battery path to preserve headroom for 3.3V imaging subsystems. Use Value: +1.6V–+5.5V common-mode range supports operation down to 2.9V battery voltage during video capture, avoiding brownout shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side current-sense amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4008ETA+T | Same 25V/V gain, but 2.5μA ICC and 1mV VOS (max); SC70-6 package | Higher quiescent current reduces battery life in always-on monitoring; larger package increases layout area | Select MAX9610TELT+T when <1μA ICC and μDFN footprint are mandatory for portable Li+ systems |
| INA214AIDCKR | 20V/V gain, 100μA ICC, 100μV VOS (max); SOT-23-6 package | Lower VOS improves low-current accuracy, but 100μA ICC is incompatible with multi-week standby requirements | Select MAX9610TELT+T when ultra-low ICC dominates design priority over sub-100μV offset performance |
Compared with MAX4008ETA+T and INA214AIDCKR, the MAX9610TELT+T uniquely balances sub-1μA supply current, 500μV offset, and 1mm×1.5mm μDFN packaging-making it the only option qualified for multi-year battery-powered IoT sensors and wearable health monitors requiring both precision and extreme energy efficiency.
Availability
MAX9610TELT+T is available at Aetrix Electronics and suitable for USB power delivery monitoring, lithium-ion battery protection, and notebook system power management requiring stable component supply, RoHS-compliant packaging, and guaranteed -40°C to +85°C operation.
Supply support for MAX9610TELT+T 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 power management ICs for demanding industrial, automotive, and portable applications.
The MAX9610TELT+T belongs to Maxim's high-accuracy current-sense amplifier product line, engineered specifically for battery-powered devices where ultra-low quiescent current, small footprint, and wide common-mode range are essential for reliable power monitoring.
FAQ
What is the maximum common-mode voltage the MAX9610TELT+T can handle?
The MAX9610TELT+T supports a guaranteed common-mode input range of +1.6V to +5.5V. This allows direct interfacing with single-cell lithium-ion batteries across their full operational voltage (2.9V–4.2V), including under-voltage recharge thresholds and overvoltage conditions. Operation beyond +5.5V risks permanent damage per absolute maximum ratings.
Does the MAX9610TELT+T require an external power supply?
No, the MAX9610TELT+T does not require a separate VCC supply. Its operating power is derived entirely from the voltage applied across RS+ and RS−, making it a true single-supply, high-side sensing solution. This eliminates the need for auxiliary regulators and simplifies power domain isolation in battery-fed systems.
What is the function of the two N.C. pins on the MAX9610TELT+T μDFN package?
Pins 5 and 6 of the MAX9610TELT+T are designated N.C. (No Connection) and are not internally bonded. They must remain unconnected-neither routed nor grounded-to prevent parasitic coupling, noise injection, or potential latch-up. The datasheet explicitly prohibits any electrical connection to these terminals.
Can the MAX9610TELT+T be used for bidirectional current sensing?
The MAX9610TELT+T is a unidirectional high-side current-sense amplifier and cannot measure reverse current flow. For bidirectional applications such as battery charge/discharge monitoring, two MAX9610TELT+T devices configured with opposite sense resistor orientations-or a dedicated bidirectional amplifier like the MAX4008-are required.
How does the MAX9610TELT+T achieve its 1μA quiescent current specification?
The MAX9610TELT+T achieves ≤1μA quiescent current through BiCMOS process optimization and adaptive biasing that scales internal current sources with common-mode voltage. At 3.6V common-mode, typical ICC is 1.0μA; at 5.5V, it rises to 1.6μA-all while maintaining full accuracy and bandwidth performance across the -40°C to +85°C range.
MAX9610TELT+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 6-WDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Sense
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- -
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 170 kHz
- Current - Input Bias:
- -
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 750nA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 1.6 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-µDFN (2x2)
MAX9610TELT+T FAQ
1.How can I place an order for MAX9610TELT+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9610TELT+T 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 MAX9610TELT+T reliable?
The price and inventory of MAX9610TELT+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9610TELT+T is usually 5 days.
3.What payment methods are accepted for MAX9610TELT+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9610TELT+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9610TELT+T?
MAX9610TELT+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9610TELT+T 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 MAX9610TELT+T?
For technical support, including MAX9610TELT+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9610TELT+T requirements.
6.How does Aetrix verify that MAX9610TELT+T is sourced from the original manufacturer or authorized distributors?
All MAX9610TELT+T 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 MAX9610TELT+T meets industry standards.
7.What is the process for return or replacement of MAX9610TELT+T?
All MAX9610TELT+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX9610TELT+T, 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 MAX9610TELT+T part is unused and in its original packaging.
Return procedure for MAX9610TELT+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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