AMC1306M25 - ±250mV Reinforced Isolated Modulator | TI
MPN: AMC1306M25 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.5 | $3.50 |
| 10 | $3.15 | $31.50 |
| 100 | $2.8 | $280.00 |
| 500 | $2.52 | $1,260.00 |
| 1,000 | $2.24 | $2,240.00 |
Drop-in alternatives for AMC1306M25 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
AMC1306M25-Q1
✅ Drop-In📋 Reference alternative (not in catalog)
AMC1306M05
✅ Drop-In📋 Reference alternative (not in catalog)
AMC1306M25DWVR
✅ Drop-In📋 Reference alternative (not in catalog)
AMC1204DWV
✅ Drop-In📋 Reference alternative (not in catalog)
AMC1306M25DWVR
✅ Drop-In📋 Reference alternative (not in catalog)
AMC1306M25DWVR
✅ Drop-In📋 Reference alternative (not in catalog)
AMC1306M25 Maximum Ratings & Electrical Characteristics
| Input Voltage Range | ±250 mV |
| Isolation Rating | 7000 VPEAK (reinforced) |
| Isolation Standard | DIN EN IEC 60747-17 (VDE 0884-17), UL1577 |
| Resolution | 16 bit |
| Data Rate | 78 kSPS |
| Interface | CMOS, Serial |
| Offset Error | ±50 µV (max) |
| Offset Drift | 1 µV/°C (max) |
| Gain Error | ±0.2% (max) |
| Gain Drift | ±40 ppm/°C (max) |
| Package | 8-SOIC (wide body, DWV) |
| Operating Temperature | -40°C to +125°C |
| Supply Voltage (High Side) | [DATA_NEEDED: supply voltage high side] |
| Supply Voltage (Low Side) | [DATA_NEEDED: supply voltage low side] |
| CMTI | [DATA_NEEDED: CMTI value] |
| RoHS | Compliant |
AMC1306M25 Pin Configuration
| Pin 1 | VINP — Positive analog input |
| Pin 2 | VINN — Negative analog input |
| Pin 3 | GND1 — High-side ground |
| Pin 4 | VDD1 — High-side supply |
| Pin 5 | VDD2 — Low-side supply |
| Pin 6 | GND2 — Low-side ground |
| Pin 7 | DOUT — Digital output |
| Pin 8 | CLKIN — Clock input |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
AMC1306M25 is suitable for 6 applications: Motor Control, Solar Inverters, Industrial Automation, Electric Vehicle Charging, Power Supplies, Battery Management Systems.
Motor Control
The AMC1306M25 is ideal for motor control applications, particularly in variable frequency drives (VFDs) and servo drives. Its ±250-mV input range directly interfaces with shunt resistors to measure phase currents with high accuracy. The reinforced isolation of 7000VPEAK ensures safe operation in high-voltage environments, while the 78 kSPS data rate provides sufficient bandwidth for current loop control. The device's low offset error (±50 µV) and gain error (±0.2%) ensure precise current measurement, improving motor efficiency and torque control. In a typical VFD, the AMC1306M25 is placed on each phase leg, with the digital output feeding an FPGA or DSP for real-time current reconstruction. The high CMTI ensures reliable operation in the presence of fast switching transients.
Recommended
Solar Inverters
In solar inverters, the AMC1306M25 is used for DC bus current sensing and grid-side current monitoring. Its high isolation rating (7000VPEAK) is essential for separating the high-voltage DC bus from the low-voltage control circuitry. The ±250-mV input range is well-suited for shunt-based sensing of currents up to hundreds of amps with appropriate shunt selection. The device's excellent DC performance, including offset drift of 1 µV/°C, ensures accurate power measurement over a wide temperature range. The digital bitstream output simplifies interface to a microcontroller or DSP, enabling precise MPPT (Maximum Power Point Tracking) and grid synchronization. The AMC1306M25's high CMTI ensures stable operation in the presence of switching noise from the inverter's power stage.
Recommended
Industrial Automation
The AMC1306M25 is widely used in industrial automation for isolated current sensing in PLCs, motor drives, and power supplies. Its reinforced isolation and high accuracy make it suitable for monitoring currents in harsh industrial environments. The device's wide operating temperature range (-40°C to +125°C) ensures reliable operation in factory floors and outdoor installations. The CMOS serial interface simplifies integration with industrial microcontrollers and FPGAs. In a typical application, the AMC1306M25 is used to sense motor currents for overload protection and condition monitoring. The high CMTI (common-mode transient immunity) ensures accurate measurement even in the presence of electromagnetic interference from nearby power electronics.
Recommended
Electric Vehicle Charging
In electric vehicle (EV) charging stations, the AMC1306M25 is used for AC and DC current sensing to ensure accurate energy metering and safety. Its reinforced isolation (7000VPEAK) is critical for isolating the high-voltage charging circuit from the control electronics. The ±250-mV input range allows direct connection to shunt resistors, providing accurate current measurement for billing and protection. The device's low offset and gain drift ensure consistent performance over temperature, which is important for outdoor charging stations. The digital output can be easily interfaced with a metering IC or MCU. The AMC1306M25's high CMTI ensures reliable operation in the presence of switching noise from the charging power stage.
Recommended
Power Supplies
The AMC1306M25 is used in switch-mode power supplies (SMPS) for isolated current sensing in the primary or secondary side. Its high isolation rating allows the controller to monitor output current without a direct electrical connection, improving safety and reducing noise. The ±250-mV input range is ideal for shunt-based sensing in power supplies with currents ranging from a few amps to hundreds of amps. The device's fast data rate (78 kSPS) enables accurate current monitoring for loop control and protection. The low offset error (±50 µV) ensures precise current regulation, improving efficiency and reliability. The AMC1306M25's digital output simplifies interface to digital power controllers, enabling advanced features like adaptive voltage scaling and fault prediction.
Recommended
Battery Management Systems
In battery management systems (BMS) for electric vehicles and energy storage, the AMC1306M25 is used for cell current monitoring and state-of-charge estimation. Its high isolation rating is essential for separating the high-voltage battery pack from the low-voltage control circuitry. The ±250-mV input range allows accurate current sensing with shunt resistors, enabling precise coulomb counting. The device's low offset drift (1 µV/°C) ensures accurate current measurement over the battery's operating temperature range. The digital output can be directly interfaced with a BMS controller or AFE (analog front end). The AMC1306M25's high CMTI ensures reliable operation in the presence of switching noise from the battery charger or load.
Recommended
Recommended Products Summary
Engineering reference data for AMC1306M25 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AMC1306M25-Q1 | AMC1306M05 | AMC1204DWV |
|---|---|---|---|---|
| Package | 8-SOIC (DWV) | 8-SOIC (DWV) | 8-SOIC (DWV) | 8-SOIC (DWV) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Input Voltage Range | ±250 mV | ±250 mV | ±50 mV | ±250 mV |
| Isolation Rating | 7000 VPEAK | 7000 VPEAK | 7000 VPEAK | 4000 VPEAK |
| Offset Error | ±50 µV | ±50 µV | ±50 µV | ±200 µV |
| Gain Error | ±0.2% | ±0.2% | ±0.2% | ±0.5% |
| Data Rate | 78 kSPS | 78 kSPS | 78 kSPS | 10 MHz (bitstream) |
| Automotive Grade | No | Yes (AEC-Q100) | No | No |
Key Differentiators
- Reinforced isolation up to 7000VPEAK (vs AMC1204DWV)
- Lower offset error (±50 µV) (vs AMC1204DWV)
- Automotive grade option available (vs AMC1306M05)
Design Notes
Place the shunt resistor as close as possible to the VINP and VINN pins to minimize parasitic inductance and resistance. Use Kelvin connections to the shunt to ensure accurate voltage sensing. Keep the high-voltage and low-voltage sides separated on the PCB to maintain isolation creepage and clearance requirements.
Provide a clean, isolated power supply to VDD1 and VDD2. Use a low-noise LDO or an isolated DC-DC converter with proper filtering. Decouple each supply pin with a 100 nF ceramic capacitor placed close to the pin. Ensure the supply voltage is within the recommended operating range to avoid performance degradation.
The digital output (DOUT) is a bitstream that should be connected to a digital filter or decimator. Use a clock input (CLKIN) with low jitter to maintain signal integrity. Keep the digital traces short and avoid routing them near high-voltage or high-current traces to prevent noise coupling.
Compliance Information
RoHS compliant per TI product page. AEC-Q100 qualified for AMC1306M25-Q1 variant only.
