BD71850MWV

NXP i.MX 8M Nano Family用电源管理IC
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BD71850MWV

BD71850MWV
NXP i.MX 8M Nano Family用电源管理IC

BD71850MWV是运用罗姆此前积累的处理器用电源技术，集成了i.MX 8M Nano Family处理器所需的电源和功能的PMIC。内置适用于i.MX 8M Nano Family的电源ON/OFF时序器，不仅可以实现小型化，还容易进行应用设计，有助于大幅削减开发周期。

集成了控制逻辑、降压DC/DC转换器（Buck Converter）6ch、LDO6ch，只需1枚芯片，即可向处理器，以及应用所需的DDR存储器供电。而且内置SDXC卡用1.8V/3.3V开关、32.768kHz晶体振荡器的缓存、各种保护功能（各电源系统的输出短路、输出过电压、输出过电流和热关断）。配备高功率转换效率为95%的降压DC/DC转换器，可在1节Li-Ion电池到USB的大输入电压范围（2.7V~5.5V）内工作，是适合i.MX 8M Nano Famil适用领域的PMIC。

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* 本产品是标准级的产品。
本产品不建议使用于车载设备。
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主要规格

 
型号 | BD71850MWV-E2
Status | 推荐品
封装 | UQFN56BV7070
包装数量 | 1500
最小独立包装数量 | 1500
包装形态 | Taping
RoHS | Yes
长期供货计划 | 10 Years

特性：

Channel(DCDC)[ch]

6

SW frequency(Max.)[MHz]

2

Channel(LDO)[ch]

6

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

Package Size [mm]

7x7 (t=1)

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特点：

  • 6 Buck Regulators
  • 2.0 MHz Switching Frequency. (BUCK1, BUCK2, BUCK5, BUCK7, and BUCK8).
  • 1.5MHz Switching Frequency. (BUCK6)
  • Target Efficiency: 83% to 95%.
  • Output Current & Voltage.
    BUCK1: 3.0 A, 0.7 V to 1.3 V/10 mV step, DVS
    BUCK2: 3.0 A, 0.7 V to 1.3 V/10 mV step, DVS
    BUCK5: 3.0 A, 0.70 V to 1.35 V/8steps, DVS
    BUCK6: 3.0 A, 2.6 V to 3.3 V/100 mV step
    BUCK7: 1.5 A, 1.605 V to 1.995 V/8steps
    BUCK8: 3.0 A, 0.8 V to 1.4 V/10 mV step
  • 6ch Linear Regulators (6 LDOs)
  • LDO1: 10 mA, 3.0 V to 3.3 V, 1.6 V to 1.9 V
  • LDO2: 10 mA, 0.9 V, 0.8 V
  • LDO3: 300 mA, 1.8 V to 3.3 V
  • LDO4: 250 mA, 0.9 V to 1.8 V
  • LDO5: 300 mA, 0.8 V to 3.3 V
  • LDO6: 300 mA, 0.9 V to 1.8 V
  • Power Mux Switch
  • 1.8V Input: 500 mΩ(Max)
  • 3.3V Input: 500 mΩ(Max)
  • 32.768 kHz Crystal Oscillator Driver
  • Power Button Detector
  • Protection and Monitoring: Soft Start, Power Rails Fault Detection, UVLO, OVP and TSD
  • OTP Configurable Power Sequencing
  • OTP and Software Programmable Output Voltage, Ramp rates.
  • Hardware Signaling with SoC for Transition into or out of Low Power States
  • Interfaces:
  • I²C: 100 kHz/400 kHz, 1 MHz
  • Power-on Reset Output: POR_B, RTC_RESET_B,
  • Watchdog Reset Input: WDOG_B:
  • Power State Control: PMIC_STBY_REQ, PMIC_ON_REQ, PWRON_B
  • Interrupt to SoC: IRQ_B
  • Type3 PCB Applicable
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