load short circuiting protection etc. the accurate overcharging detection voltage ensures safe and full utilization charging. the low standby current drains little current from the cell while in storage. the device is not only targeted for digital cellular phones but also for any other li-ion and li-poly battery-powered information appliances requiring longterm battery life. the ps7201  requires a minimal number ofreadily available external components and is available in a space saving sot23-5 package. features 8226 protection ofcharger reverse connection 8226 protection ofbattery cell reverse connection 8226 over-temperature protection 8226 overcharge current protection 8226 two-step overcurrent detection:over discharge currentload short circuiting 8226 charger detection function 8226 0v battery charging function 8226 50m 937 low rss on internal power

  8226 -40 176 c to 85 176 c temperature range   applications   8226 battery-powered equipment   8226 portable media players   8226 industrial distributed power applications   8226 portable hand-held instruments   general description   the ps5401  device is high-efficiency synchronous step-grzq & & regulators. with a wide input range it is   suitable for a wide range ofapplications such as power conditioning from unregulated sources. it features a low   rdson 500m300mtypical internal switch for maximum efficiency 92 typical . supports psm mode the   operating frequency is fixed at 800khz allowing the use ofsmall external components while still being able to have   low output voltage ripple. with ovp function the ic can stand

系统的稳定性和可靠性。ps5050-1 is a high-performance high side or ing fet controller ，suitable for redundant power systems. it achieves ideal diode rectification function through external n-channel mosfet which can significantly reduce the power loss and voltage drop caused by traditional diode rectifiers. ps5050-1 provides fast current reversal response capability capable ofturning off mosfets within 50ns ensuring system stability and reliabilityps5050-1 是一款高性能的高侧or-ing fet 控制器，适用于冗余电源系统。它通过外部n 沟道mosfet 实现理想的二极管整流功能，可显

no load is 40ua and drops to< 1ua in shutdown. the 2.5v to5.5v input voltage range makes the ps3240  ideally suited for single li-ion batterypowered applications. 100 duty cycle provides low dropout operation extending battery life in portable systems.pwm/pfm mode operation provides very low output ripple voltage for noise sensitive applications.switching frequency is internally set at 1.2mhz allowing the use ofsmall surface mount inductors and capacitors.low output voltages are easily supported with the 0.6v feedback reference voltage.the ps3240  is offered in a low profile 1mm 5-pin thin sot package and is available in an adjustable version.     features 8226 high efficiency: up to 96 8226 2.5v to 5.5v input voltage range 8226 1.2mhz constant frequency operation 8226 no

pl2628 是dc-dc 升压转换器，sot23-6 封装。第六脚是不连接    丝印打字：b628     the pl2628 is a constant frequency 6-pin sot23 current mode step-up converter intended for small low power applications. the   pl2628   switches at 1.2mhz and allows the use oftiny low cost capacitors and inductors 2mm or less in height. internal soft-start results in small inrush current and extends battery life.    the pl2628   features   automatic shifting to pulse  frequency modulation mode at light loads. the  pl2628   includes under-voltage lockout current  limiting and thermal overload protection to prevent  damage in the event ofan output

power-on reset  circuit power-down function. power-on reset circuit  ensure when supply power up dac output is to 0v  until valid write bit value takes place. in power down  mode the supply current is about 1 956 a. the fp5510 is designed for auto focus operation  includes digital camera module optical zoom  camera phones and lens auto focus. the i2c  address offp5510 is 0x18h. the fp5510 with wlcsp package which it is  suitable for reduced-space mounting in mobile  phone and other portable applications  。features power supply voltage rang: 2.3v to 3.6v vcm driver for auto-focus 10-bit resolution current sinking of120ma for vcm 2-wire i2c interface 1.8v interface compatible internal 4 slope control mechanism

delivery pd protocol controller without usb-if certification. itintegrated functions for hisilicon fast chargingprotocol fcp and qualcomm quick charge2.0/3.0 source only interface.fp6605 couldsupport most consumer electronics product likenb cell phone tablet video game machine.                     the fp6605 monitors the cc pin to detect a usbtype c attach/detach. it is capable providingoutput voltage of5v to 15v. the fp6605implements vbus detection and discharge for theimplementation ofcompliant connection ports. theprotection features include over-voltage cc pinvbus d d- . features 9679 vdd  supply  voltage:  3.2v  to  6.8v 9679 supports  usb  type-c  and  power  delivery       --  5  to  15v  vbus  source  only       --  cc1/cc2  source  terminator  3a 9679 supports 

        the fks4004 is the high cell density trenched n-ch mosfets which provide excellent rdson and gate charge for most ofthe synchronous buck converter applications.         the fks4004 meet the rohs and green product requirement 100 eas guaranteed with full function reliability approved. symbol parameter rating units vds drain-source voltage 40 v vgs gate-source voltage 177 20 v id ta 25 8451 continuous drain current vgs 10v1 10 a id ta 70 8451 continuous drain current vgs 10v1 8 a idm pulsed drain current2 34 a eas single pulse avalanche energy3 31 mj ias avalanche current 25 a pd ta 25 8451 total power dissipation4 1.5 w tstg storage temperature range -55

锂电池升压12v2a ，3.0v 升压12v ，3.0v 升压12v2a ，3.0v ～4.2v 锂电池升压12v2a ，fp5208      the fp5208 fp5208a and fp5208b are boost topology switching regulator for wide operating  voltage applications. they provide built-in gate driver pin for driving external n-mosfet. the  non-inverting input oferror amplifier connects to a 0.6v precision reference voltage. they have  programmable soft start time set by external capacitors. fp5208 and fp5208b have programmable  frequency set by external resistors. fp5208a and fp5208b have programmable current detection and  over current protection set by external resistors.         the fp5208a and fp5208b are available in the small footprint dfn-12l package