Low power test scheme of jishili multimeter

With the deepening of the promotion of the Internet of things , The interconnection of all things will become the future development direction . Such as NB-IOT、LORA、BLE And other low-power Internet of things solutions will be more and more used in product design . And low-power test schemes will be more and more used in research and design , Production test .TSP-4000 The low-power test scheme has high accuracy in measuring current , It is one of the few high-precision standby current test schemes with high cost performance in the market . It can analyze the current output curve of terminal equipment , It provides engineers with a deeper understanding of the system hardware architecture , Tools for the impact of software architecture on standby current . Through this program , It can help engineers reduce the power consumption of their products , Finally, the purpose of improving standby time is achieved .

Program features ：

• Small volume , Simple configuration , High cost performance .
• High measurement accuracy , Strong anti-interference ability , The highest accuracy of current measurement can reach 100pA, The resolution of the 1pA.
• High sampling rate , It can realize real-time acquisition of dynamic current , The maximum speed can reach 100,000 Dots per second
• Easy to operate , Graphically display the test results , Support the import of original test data 、 export .
• Record the measurement data for a long time .
• The current curve of the concerned time period can be analyzed by software , Optimize hardware and software design , Reduce product power consumption .

TSP-4000 The software cooperates with jishili high-precision source table , Simple and convenient implementation DUT Low power DC characteristic related test .

Use TSP-4000 The test system captures the starting current waveform of the Bluetooth Bracelet , And amplify and observe the current pulse signal in standby mode .

TSP-4000 It's easy to operate . There are three connection modes . Equipped with different jishili equipment , The customer department selects different instruments to complete the test according to their purchasing power and test index needs ：

• Model a ( High performance )： Jishili 2280S The high-precision power supply is DUT Supply power .DMM7510 As a high-precision ammeter measurement . At this time, the power supply performance and current measurement performance are the highest .
• Model 2 （ Economy ）： Jishili 2280S The high-precision power supply is DUT The device provides power and reads back the current data . The price of this scheme is low , The accuracy of current measurement is 10uA.
• Model 3 ( High cost performance )： Jishili DMM7510 DC measurement as a multimeter DUT equipment . At this time need DUT The equipment has its own power supply .

Scheme configuration ：

High precision power supply 2280S, High precision seven and a half multimeter DMM7510, Low power test software TSP-4000

Operation steps ：

1. Select the connection mode to connect the test equipment and DUT equipment .
2. Set the corresponding test time , Sampling rate .
3. start-up . Wait for the test time to complete . Use the toolbar to zoom in and out the generated current curve with various tools . Through analysis and improvement DUT The state of the device during operation and standby , Achieve improvement DUT The purpose of equipment standby time .

The above is the low-power test scheme of jishili multimeter