Editor’s note: Information from this teardown is supplied courtesy of TechInsights. Learn more about the Bosch 2022 Peugeot 208 head unit teardown here.
The automotive market has become a beacon for new technologies as infotainment becomes a must-have for many consumers.
To do these types of features inside vehicles, a head unit is needed in some cases for the operation of the technologies. In the case of the Bosch 2022 Peugeot head unit this allows for AM/FM stereo, DAB radio, Bluetooth 4.0 and USB 2.0 connectivity.
The head unit also supports four 50 W speakers and a rear-view camera. While it does not have a display, it connects to external displays and a microphone for hands-free calls.
The following is a partial deep dive into the automotive head unit.
Summary
- 1 GB DDR3L SDRAM
- No Display
Availability: Worldwide
Target market: Automotive
Released: August 2019
Price: $160
Main board
The main board is the backbone of the Bosch 2022 Peugeot 208 head unit with the main 32-bit dual-core applications processors from NXP Semiconductors and main 8 GB NAND flash memory from Samsung Electronics. Other electronic components on the board include:
- Renesas’ 32-bit microprocessor and authentication IC
- Micron’s SDRAM memory
- Nexperia’s tri-state buffer and quad buffer
- Texas Instruments’ Dual synchronous step-down controller, audio DAC, 24-bit stereo ADC
- Infineon’s 200 mA LDO regulator
- ISSI’s SDRAM memory
- Elmos’ 200 mA dual LDO regulator
- Analog Devices’ 27-bit LVDS Deserializer and step-down converter
- ST Microelectronics’ quad operational amplifier and radio tuner
- Winbond’s 4 MB serial flash memory
(Learn more about audio ICs on Globalspec.com)
The connector board found inside the Bosch 2022 Peugeot head unit. Source: TechInsights
Connector board
The connector board has several connectors to USB, main connector, LVDS and more with an electronic component from ST Microelectronics.
Bluetooth board
The Bluetooth board includes the necessary components needed for operation of the Bluetooth capabilities on the Bosch 2022 Peugeot 208 head unit. The components include:
- Qualcomm’s single-chip Bluetooth 4.0
- ABLIC’s serial EEPROM memory
(Learn more about Bluetooth chips on Globalspec.com)
Some of the components found inside the Bosch 2022 Peugeot head unit. Source: TechInsights
Major components
- $8.24 — Six layer buildup FR4/HF (Qty: 1)
- $7.07 — 32-bit dual-core applications processor — NXP Semiconductors (Qty: 1)
- $3.88 — 32-bit microcontroller — Renesas (Qty: 1)
- $3.72 — Automotive connectors (Qty: 1)
- $3.68 — Chassis (Qty: 1)
- $3.47 — 8 GB MLC NAND Flash — Samsung (Qty: 1)
- $3.40 — Small passives (Qty: 607)
- $3.04 — Bluetooth Subsystems — Alps (Qty: 1)
- $2.97 — Small passives (Qty: 530)
- $2.95 — AM/FM/DAB radio tuner — ST Microelectronics (Qty: 2)
