JAJSEF6L August 2013 – February 2019 TPS659038-Q1 , TPS659039-Q1
PRODUCTION DATA.
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The TPS659038-Q1 and TPS659039-Q1 devices are integrated power management integrated circuits (PMIC), both available in a 169-pin, 0.8-mm pitch, 12-mm × 12-mm nFBGA package. The devices are designed specifically for automotive applications. Both devices have seven configurable step-down converter rails, with the ability to combine power rails and supply up to 9 A of output current in multi-phase mode. The TPS659038-Q1 device also has eleven external LDOs, while TPS659039-Q1 device has 6 external LDOs. Both devices also come with a 12-bit GPADC with three external channels, eight configurable GPIOs, two I2C interface channels or one SPI interface channel, a real-time clock module with calendar function, a PLL for external clock sync and phase delay capability, and a programmable power sequencer and control for supporting different processors and applications.
As both TPS659038-Q1 and TPS659039-Q1 devices are highly integrated PMIC devices, it is very important that customers should take necessary actions to ensure the PMIC is operating under the recommended operating conditions to ensure desired performance from the device. Additional cooling strategies may be necessary to maintain the junction temperature below maximum limit allowed for the device. To minimize the interferences when turning on a power rail while the device is in operation, optimal PCB layout and grounding strategy are essential and are recommended in Section 9. In addition, customer may take steps such as turning on additional rails only when the systems is operating in light load condition.
Details on how to use this device in automotive infotainment or digital cluster applications are described throughout this device specification. The following sections provides the typical application use case with the recommended external components and layout guidelines. A design checklist for the TPS659038-Q1 and TPS659039-Q1 devices is also available on which provides application design guidance and cross checks.