BD71837AMWV
NXP i.MX 8M Family用電源管理IC
BD71837AMWV
BD71837AMWV
NXP i.MX 8M Family用電源管理IC
BD71837AMWV是一款PMIC,匯集了i.MX 8M處理器所需的電源和功能,運用羅姆長年累積的處理器用電源技術。內建i.MX 8M用電源ON/OFF時序器,有助於小型化和簡化應用設計,有助於大幅縮短開發週期。
匯集了控制邏輯、8ch降壓DC/DC轉換器、7ch LDO,用一個晶片即可為處理器和應用所需的DDR記憶體供電。此外,還匯集了用於SDXC卡的1.8V/3.3V開關,一個32.768kHz晶體振盪器,以及各種保護功能(每個電源系統的輸出短路、輸出過壓、輸出過流和熱關斷)。搭載最高功率轉換效率為95%的降壓DC/DC轉換器,輸入電壓可在從1 CELL鋰離子電池到USB的廣範圍(2.7V~5.5V)內工作,適用於搭載i.MX 8M的應用。
和以離散式元件所組成,和BD71837AMWV相同的電源系統相比(單面安裝、Type-3 PCB),零件數量可減少56個,安裝面積可減少45%。
Product Detail
料號 | BD71837AMWV-E2
狀態 |
推薦品
封裝 |
UQFN68CV8080
單位數量 | 1000
最小包裝數量 | 1000
包裝形式 | Taping
RoHS |
Yes
長期供貨計畫 |
10 Years
規格:
SW frequency(Max.)[MHz]
2
Channel(DCDC)[ch]
8
Channel(LDO)[ch]
7
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
8x8 (t=1)
功能:
- 8 Buck Regulators
- · 2.0 MHz Switching Frequency. (BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK7, and BUCK8).
- · 1.5MHz Switching Frequency. (BUCK6)
- 7ch Linear Regulators(7 LDOs)
- Power Mux Switch
- · 1.8V Input: 200 mΩ(Max)
- · 3.3V Input: 280 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