AC6959A: A Low-Power Bluetooth Chip from Zhuhai Jieli

AC6959A: A Low-Power Bluetooth Chip from Zhuhai Jieli

The AC6959A isa high-performancelow-power Bluetooth chip from Zhuhai Jieli, featuring several remarkable characteristics. Its core is a high-performance 32-bit DSP with FPU support, capable of operating at frequencies from DC to 240MHz, equipped with 64 vector interrupts and 4 levels of interrupt priority. The I/O is flexible, with 6 GPIO pins, each of which can … Read more

Impact of PMIC Power Noise on SOC Chip Power Integrity

Impact of PMIC Power Noise on SOC Chip Power Integrity

The PMU is the power management unit responsible for supplying power to the SOC, regulating voltage and current to ensure that various modules operate normally. Power integrity ensures that the Power Distribution Network (PDN) can provide stable and clean voltage and current, avoiding noise interference with the normal operation of the SOC. So what exactly … Read more

How BLE Bluetooth Chip, Audio CODEC, and PMU Achieve $0.5

How BLE Bluetooth Chip, Audio CODEC, and PMU Achieve $0.5

In the past two years of trade frictions, there have been at least twenty rounds of back-and-forth between China and the United States. By May of this year, BIS (the U.S. Department of Commerce’s Bureau of Industry and Security) included Huawei and its 68 affiliates on the Entity List, continuing the ongoing dispute. China plans … Read more

Power Management in Chips: PMU, BUCK, and LDO

Power Management in Chips: PMU, BUCK, and LDO

Introduction Power management in electronic devices is one of the key factors ensuring stable and efficient operation. The power management unit (PMU), buck converters (BUCK), and low-dropout regulators (LDO) in chips are common power management components that play a crucial role in providing stability, efficiency, and performance of power supply. This article will delve into … Read more

Low-Power Design: Retention Cell

Low power design has always been a top priority in chip design. The low power technologies adopted by Jingxin SoC training camp include: 1. Clk gating, turning off the clock signals of non-working modules; 2. Power gating, turning off the power of non-working modules; Power gating is more power-efficient than Clk gating because it eliminates … Read more

Introduction and Usage of Xilinx Power Management Library (XilPM)

Introduction and Usage of Xilinx Power Management Library (XilPM)

AMD-Xilinx MPSoC and Versal ACAP series have complex internal power structures, including Full Power Domain (FPD), Low Power Domain (LPD), single processor power domains, peripheral nodes, and memory power domains. These domains can be powered on or off, optimizing the overall solution’s power consumption. They also allow for dynamic power management at runtime to achieve … Read more