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Electrification of automobile by RICOH power management IC

Quality Rank for Automotive Applications

Quality Rank for Automotive Applications

Various equipment with varying quality requirement levels are installed in automobiles, ranging from equipment that controls running, turning, and stopping to car accessories such as audio and navigation.

Ricoh's automotive power management IC is divided into three quality ranks according to the application so that we can provide products matching the customer's requested quality. In addition, the rank 2 for general equipment is further divided into three classes according to the operating temperature range, and therefore we prepare products in total of five quality categories.
Please use the product of the quality rank and class suitable for each purpose.

Three Quality Ranks and Five Quality Classes

Quality Rank Applications Quality Class Tamax *3 Screening*4
85°C 105°C 125°C Low 25°C High
Rank 1*1 Safety Critical Parts (Operation control system)
Safety Critical Parts (Operation control system)
R8     * * * *
Rank 2*2 General Equipments (Body system)
General Equipment (Body system)
K     * * * *
J   *   * * *
H *     * * *
Rank 3 Accessories
Accessories
A * * *   * *

*1: The R8 class products offer the highest quality obtained by the enhanced process inspection and quality control at manufacturing.
*2: The K, J and H class products can be selected at a time.
*3: The operating temperature range differs by product. Refer to the datasheet for details.
*4: The screening was performed on all test items of the R8 class products. As for the K, J H and A class products, the screening was performed on some of the test items.

Product List

Traceability management is implemented for automotive power management ICs with all ranks.
Please click here for details.

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Power Management ICs for Automotive

Ricoh offers a wide range of innovative technologies for automotive applications from on-vehicle electrical equipment to in-vehicle accessory.
A severe quality control, which varies from the consumer products, is performed for automotive products including a reliability test of AEC-Q100 qualification and a traceability system.