CXPU33105为数字视频提供了完整的电源解决方案。与单芯锂离子电池设计中的其他多通道控制器相比，它们提高了性能、组件数量和尺寸。片上mosfet为关键电源提供高达92~95%的效率。信道1/2/3/4以1兆赫的固定频率运行，以优化大小、成本和效率。通道5作为LDO工作。
·2.5V~5.5V输入电压操作。
95%高效DC/DC转换器
内置4通道同步降压转换器、5通道LDO和1通道低静态电流LDO，用于RTC。
·低功耗（睡眠模式）<10μA。
·PMU内置电源开/关顺序。
·内置短路保护（SCP）、欠压保护（UVP）和DC/DC转换器的逐周电流限制。
·集成开关式锂离子充电器，具有动态电源路径功能。
充电电压和电流控制符合JEITA标准。
内置热关机功能。
内置电池过电压保护功能。
·USB OTG的升压模式操作
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[ CXPU33105 ]
目录
7.相关产品
产品概述 返回TOP
The CXPU33105 provide a complete power supply solution for digital video. They improve performance, component count, and size compared to other multi-channel controllers in 1-cell Li-Ion battery designs. On-chip MOSFETs provide up to 92~95% efficiency for critical power supplies. Channel 1/2/3/4 operate at one fixed frequency of 1MHz to optimize size, cost, and efficiency. Channel 5 operate as LDO.
产品特点 返回TOP
„ 2.5V ~ 5.5V Input Voltage Operation.
„ 95% Efficient DC/DC Converter
„ Built-in 4-ch synchronous buck converter, 5-ch LDOs, and 1-ch low quiescent current LDO for RTC.
„ Low Power consumption (Sleep Mode ) < 10μA.
„ Built-In Power ON/OFF Sequence for PMU.
„ Built-In Short Circuit Protection (SCP), Under Voltage Protection (UVP), and cycle-by cycle current limit for DC/DC Converters.
„ Integrated switched mode Li-ion charger with dynamic power path function.
„ Charge voltage and current control with JEITA compliant.
„ Built-In Thermal Shutdown Function.
„ Built-In Battery OVP Function.
„ Boost Mode Operation for USB OTG. „ TQFN48 Package (6mmx6mm).
应用范围 返回TOP
„ DV
技术规格书（产品PDF) 返回TOP
需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！
产品封装图 返回TOP
电路原理图 返回TOP
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Multi-Channel PMIC |
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Part NO. |
Vin(V min. |
Vin(V) max. |
DCDC CH |
DCD CFSW MHz |
Charger A |
LDO CH |
RTC LDOCH |
Note |
Package |
|
2.5 |
5.5 |
6 |
1.5 |
-- |
5 |
-- |
Bay Trail-M,DCDC1 2A, DCDC2~62.5A, LDO1~5 300mA,Load Switch*4 |
TQFN5X5-40 |
|
|
3 |
5.5 |
2 |
1.5 |
-- |
2 |
-- |
DCDC1~2 0.6A/1A LDO1=3V/3.3V/250mA, LDO2=1.2V/250mA |
TQFN3X3-16 |
|
|
2.5 |
5.5 |
4 |
1.5 |
1.5 |
6 |
1 |
DCDC1~4 1.5A/1.5A/2A/1.5A,Power Path, RTCLDO&LDO1=50mA,LDO2~6=300mA |
TQFN6X6-48 |
|
|
Multi-Channel PMIC for DSC |
||||||||
|
Part NO. |
Vin(V) min. |
Vin(V) max. |
FOSC (kHz) |
Built-in Compen sation CH |
Built-in HV LDO |
InternalPower ON/OFF Sequence |
Note |
Package |
|
3 |
5.5 |
1000 |
4+1 |
N |
Y |
Selectable Sync-Boost/buck,Sync-Buck*2, Sync-Boost,1-CH LDO,RTC LDO,RESET |
TQFN4X4-28 |
|
|
2.7 |
5.5 |
2000/ 1000 |
7 |
N |
Y |
Sync-Boost,Sync-Buck*2, Inverter,RTC LDO,Sync -Boost,Selectable Sync-Boost/Buck,Sync-Boost and Current Regulator for WLED |
TQFN4X4-32 |
|
|
1.5 |
5.5 |
1500 /750 |
7+1 |
Y |
Y |
Sync-Boost,Sync-Buck*2, Inverter,RTC LDO, Sync-Boost,Selectable Sync-Boost/Buck,HV LDO, Sync-Boost and Current Regulator for WLED |
TQFN4X4-32 |
|
|
1.5 |
5.5 |
1500 /750 |
7+1 |
Y |
Y |
Sync-Boost,Sync-Buck*2, Inverter,RTC LDO, Sync-Boost,Selectable Sync-Boost/Buck,HV LDO,Sync-Boost and Current Regulator for WLED |
TQFN4X4-32 |
|
|
1.5 |
5.5 |
1500 /750 |
7+6 |
Y |
Y |
Sync-Boost,Sync-Buck*2,Inverter,Sync-Boost, Selectable Sync-Boost/Buck,Sync-Boost and Current Regulator for WLED, RTC LDO,HV LDO, 4-CH LV LDO, I2C |
TQFN5X5-40 |
|
|
2.5 |
5.5 |
1500 /750 |
6+3 |
N |
Y |
Sync-Boost,Sync-Buck*3,Auto Buck/Boost, Sync-Boost for WLED,LV LDO*2,RTC LDO,JEITA, I2C Charger with Dynamic path,USB charger with Auto Power Source Detection |
TQFN5X5-40 |
|
|
2.5 |
5.5 |
1500 /750 |
6+6 |
N |
Y |
Sync-Boost,Sync-Buck*3,Auto Buck/Boost,Sync- Boost for WLED,LV LDO*4, RTC LDO,Power SwitchI2C |
TQFN5X5-40 |
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