2308
2308
Keithley Instruments
Portable Device Battery/Charger Simulator
The Model 2308 Portable Device Battery/Charger Simulator is optimised for use in testing mobile phones and other portable, battery-operated devices. When a device-under-test (DUT) transitions nearly instantaneously from a sleep or standby mode to the full power transmit state, the Model 2308’s rapid response to load changes means there’s little transient voltage drop from the programmed output voltage and the output recovers quickly.
This fast response is particularly critical when testing portable devices with a pulsed mode of operation because it allows the device to perform properly while it’s being tested. In contrast, the slow-responding source voltage typical of conventional power supplies causes the DUT to perform improperly, leading to production yield problems and costly retesting.
The Model 2308 offers a complete solution for portable device sourcing and load current measurement. It has two independent power supply channels: one is optimised to simulate a battery; the second channel is optimised to perform like a charger for a rechargeable battery.
The battery channel’s variable output resistance can be used to simulate the internal resistance of a battery so design and test engineers can simulate a battery’s output for testing devices under realistic operating conditions. This channel also sinks current to simulate a discharged battery. The charger channel can supply a voltage to test a portable device’s battery charge control circuitry, with the battery channel acting as the discharged battery load.
In addition to maintaining output voltage levels under difficult load conditions, the Model 2308 can measure a wide dynamic range of load current levels and can measure narrow current pulses (or pulses as narrow as 50µs). That makes it ideal for characterizing device power consumption by making low-level sleep mode measurements as well as pulsed operating load currents.
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Attribute | Value |
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Key Features |
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Manufacturer Product Family | Keithley 2300 Series |
Maximum Voltage | 15V |
Maximum Current | 5A |
Outputs | Dual Output |
Applications |
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Attribute | Value |
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Data Sheet | Click here to view |