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PCA9450BHN中文資料
PCA9450BHN數(shù)據(jù)手冊規(guī)格書PDF詳情
1 General description
PCA9450 is a single chip Power Management IC (PMIC) specifically designed to support i.MX 8M family
processor in both 1 cell Li-Ion and Li-polymer battery portable application and 5 V adapter non-portable
applications. It supports various memory types (DDR4/LPDDR4/DDR3L, etc.) via system UBOOT configuration,
which does not require hardware change.
The device provides six high efficiency step-down regulators, five LDOs, one 400 mA load switch, 2-channel
level translator and 32.768 kHz crystal oscillator driver. Three buck regulators support Dynamic Voltage Scaling
(DVS) feature along with programmable ramping up and down time and those buck regulators support remote
sense to compensate IR drop to load from buck regulator. This device is characterized across -40 °C to 105 °C
ambient temperature range.
Six step-down regulators are designed to provide power for i.MX 8M application processor and DRAM memory.
Two LDOs, LDO1 and LDO2, feature very low quiescent current to provide power for Secure Non-Volatile
Storage (SNVS) since these LDOs are always ON when input voltage is valid.
PCA9450 integrates logic translator which is a 2-bit, dual supply translating transceiver with auto direction
sensing. It enables bidirectional voltage level translation. It can be used as I2C level translator. 400 mA load
switch is to supply 3.3 V power supply to SD card, which has internal discharge resistor.
PCA9450 has three versions: PCA9450AA is companion PMIC for (i.MX 8M Mini), PCA9450B is companion
PMIC for i.MX 8M Nano and PCA9450C is companion PMIC for i.MX 8M Plus.
The PCA9450 is offered in 56-pin HVQFN package, 7 mm x 7 mm, 0.4 mm pitch.
2 Features and benefits
? Six high-efficiency step-down regulators
– Three 3 A buck regulators with DVS feature and remote sense
– PCA9450AA – Three 3 A buck regulators
– PCA9450B – Two 3 A buck regulators
– PCA9450C – 6 A dual-phase buck regulator and 3 A buck regulator
? One 3 A buck regulator
? Two 2 A buck regulators
? Five linear regulators
– Two 10 mA LDOs
– One 150 mA LDO
– One 200 mA LDO
– One 300 mA LDO
? Support various memory types: DDR4/LPDDR4/DDR3L via system UBOOT configuration, no hardware
change required
? 400 mA load switch with built-in active discharge resistor
? 32.768 kHz crystal oscillator driver and buffer output
? Two channel logic level translator
? Power control IO
– Power ON/OFF control
– Standby/run mode control
? Fm+ 1 MHz I2C-bus interface
? ESD protection
– Human Body Model (HBM) : +/- 2000 V
– Charged Device Model (CDM) : +/-500 V
? 7 mm x 7 mm, 56-pin HVQFN with 0.4 mm pitch
3 Applications
? IoT Devices
? Tablet
? Electronic Point of Sale (ePOS)
? Industrial application
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
恩XP |
21+ |
VQFN |
8500 |
只做原裝正品假一賠十!正規(guī)渠道訂貨! |
|||
恩XP |
ROHS環(huán)保 |
QFN56 |
12856 |
原裝正品,支持實單 |
|||
恩XP |
24+ |
QFN56 |
2000 |
只做原裝 有掛有貨 假一賠十 |
|||
恩XP |
2024+ |
N/A |
70000 |
柒號只做原裝 現(xiàn)貨價秒殺全網(wǎng) |
|||
恩XP |
24+ |
56-VFQFN 裸露焊盤 |
19048 |
原廠可訂貨,技術(shù)支持,直接渠道。可簽保供合同 |
|||
恩XP |
2023+ |
56-VFQFN 裸露焊盤 |
4550 |
全新原裝正品 |
|||
恩XP |
24+ |
QFN56 |
9048 |
原廠可訂貨,技術(shù)支持,直接渠道??珊灡9┖贤?/div> |
|||
恩XP |
23+ |
N/A |
12000 |
一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
|||
恩XP |
23+ |
NA |
6800 |
原裝正品,力挺實單 |
|||
恩XP |
24+ |
QFN56 |
10000 |
只有原裝 |
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Datasheet數(shù)據(jù)表PDF頁碼索引
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