The Keysight N7977A is a 2000W, 160V, 12.5A Dynamic DC Power Supply designed for automated test equipment (ATE) applications that require high-speed dynamic sourcing and measurement capabilities. It is part of the Keysight N7900 Series Advanced Power System (APS) family, which is built on the VersaPower architecture. This architecture is engineered to deliver accelerated test throughput and precise measurements, aiming to reduce ATE development time and cost. The N7977A offers significant speed improvements over standard system power supplies, with command processing speeds under 2 ms and fast up/down programming speeds up to 500 µs. It also features an adjustable measurement rate to balance speed and accuracy, enabling detailed characterization of a device under test’s (DUT) power profile.
**Technical Specifications**
**Electrical Characteristics**
* **Output Voltage:** 160 V
* **Output Current:** 12.5 A
* **Output Power:** 2000 W (2 kW)
* **Voltage Range Selector:** 100-199
* **Current Range Selector:** 10-19.9
* **Power Range Selector:** 1,000-2,499
* **Input Voltage:** 240 VAC (Universal AC input: 85-265 VAC, 47-63 Hz is also noted for the N7900 Series)
**Performance and Measurement Capabilities**
* **Test Speed:** Up to 100x faster than standard system power supplies
* **Command Processing Speed:** < 2 ms
* **Up/Down Programming Speed:** Up to 500 µs
* **Measurement Accuracy:** DMM-like accuracy for dual voltage and current measurements
* **Measurement Functions:** Power, peak power, watt hour, and amp hour measurements
* **Adjustable Measurement Rate:** Allows balancing of speed and accuracy**Operational Features**
* **Two-Quadrant Operation:** Full two-quadrant operation for power storage test applications. This enables continuous smooth operation between positive and negative current transitions, with programmable positive and negative current limits and waveforms.
* Standalone operation offers 10% rated current two-quadrant operation.
* Full two-quadrant operation requires the N7909A power dissipater unit.
* **Programmable:** Yes
* **Paralleling Capability:** Built-in APS paralleling up to 10 kW. Ensures equal current sharing among paralleled supplies.
* **Power Storage Applications:** Suitable for power storage testing due to bidirectional and regenerative energy system capabilities.**Interfaces**
* **Connectivity:** GPIB (IEEE-488), LAN (LXI-Core), and USB**Physical Characteristics**
* **Mounting Type:** Rack Mount
* **Rack Space:** 2U
* **Dimensions:** L 22.39 in / 568.7 mm, W 16.81 in / 426.9 mm, H 1.75 in / 44.45 mm**Compatibility and Software**
* **Software:** BenchVue software enabled. APS Power Assistant software available for download. PathWave Advanced Power Control and Analysis Software (PW9253A) is also available. The 14585A control and analysis software can be used for advanced sourcing and measurement features.
* **Series:** N7900 Series
* **Architecture:** VersaPower architecture**Optional Accessories**
* **N7909A Power Dissipater Unit:** Required for full two-quadrant operation.
* **N7908A Black-Box Recorder:** Optional accessory for tracking power events, measurement data, trigger events, and status bits.
* **N7910A Rack Mount Kit:** For mounting the power supply.Why Choose Aumictech for Keysight N7977A?
At Aumictech, we specialize in supplying high-performance automated test equipment. Whether you need accelerated test throughput for complex power profiles, precise dynamic sourcing and measurement capabilities, or seamless integration into your existing ATE system, our team ensures the Keysight N7977A delivers maximum performance for your application.
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