Round Driving Light Assembly Transient Voltage Drop Test Report 20260727023
Test Request Information:
| Requesting Dept. | Quality Dept. |
| Reason | Sample Testing |
Sample Information:
| Sample Name | Round Driving Light Assembly |
| Sample Model | ********、 ******** |
| Sample Qty | 1 PCS |
| Sample Received | 2026.07.25 |
| Test Dates | 2026.07.27 |
Test Requirements:
| Test No. | Test Item | Reference Standard | Test Requirement |
|---|---|---|---|
| 1 | Supply voltage instantaneous drop | Per ISO 16750-2:2023 Clause 4.6.1.1 test method. | The device or system does not perform one or more designed functions during the disturbance, but automatically returns to normal operation after the disturbance stops. |
Test Results: ， After test Function
Tested by: Test Engineer Reviewed by:
Approved by: Date: 2026.07.27
Test Samples:
| Sample No. | Sample Name | Sample Model | Sample Qty |
|---|---|---|---|
| 1 | Round Driving Light Assembly | ********、 ******** | 1 PCS |
Sample Photos Before Test:
Sample 1
Test Procedure: Supply voltage instantaneous drop
1、 Test Equipment:
| Equipment Name | Equipment No. | Calibration Valid Until |
|---|---|---|
| DC regulated power supply | BJ-QC02-0024 | 2027.03.22 |
| DC regulated power supply | BJ-QC02-0039 | 2027.03.22 |
| DC regulated power supply | BJ-QC02-0040 | 2027.03.22 |
2、 Test Conditions:
Temperature: room temperature 25°C.
Voltage: drop to USmin, rise/fall time ≤10 ms.
3、 Test Basis:
Per ISO 16750-2:2023 Clause 4.6.1.1 test method.
4、 Test Steps:
1. DUT in lit state, stabilized at 13.5 V.
2. Program one drop pulse: 13.5 V → 6 V (12 V system USmin) → 13.5 V, tr/tf ≤ 10 ms.
3. Repeat 10 times, interval ≥10 s.
4. Monitor for brief lamp extinguishing/flicker.
5、 Test Results: see table below
| Sample No. | Test Item | Test Requirement | Test Result |
|---|---|---|---|
| 1 | Supply voltage instantaneous drop | The device or system does not perform one or more designed functions during the disturbance, but automatically returns to normal operation after the disturbance stops. | ， After test Function |
6、 Test Sample Photos:
During test · Time setting
Time setting · Calibration label
Calibration label · Calibration label
*** End of Report ***
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