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Fh511+tp4333 form an outdoor mobile power lighting camping lamp scheme.

2022-06-28 13:04:00 【Shenzhen Oceanwide Microelectronics Co., Ltd】

Emergency camping lamp market with mobile power supply

With the rise of camping craze , The global camping supplies market is booming , The camping lamp market is particularly noteworthy .Technavio The company recently released a report called “2017-2022 The global camping lamp Market ” The report of , In depth analysis of the camping lamp market segments and emerging product trends . according to Technavio The latest market research finds that ,2017-2021 Year , The compound annual growth rate of the global camping lamp market is expected to exceed 7%.Technavio Chief analyst of outdoor product research department Brijesh Kumar Choubey call ,“ Camping is an important part of global tourism activities . Due to the low cost of camping , Strong entertainment and leisure , suffer greatly 20-39 Young people in the age group like .

FH511 Switch the mode by pressing the key , Function as follows ：

Initial value :PWM=0%;EN=0

Key No 1 Next ：PWM=0%;EN=1（ Pattern 1）

Key No 2 Next ：PWM=50%;EN=1（ Pattern 2）

Key No 3 Next ：PWM=90%;EN=1（ Pattern 3）

Key No 4 Next ：PWM=0%;EN=0; Go to sleep mode （ Pattern 4）

Key No 5 Next ： Return to mode 1, Cycle through

FH511 In mode 1-4 Press and hold the key in any mode of 1.5S, Enter the flash mode （PWM=0% ,65ms Of EN=1;65ms Of EN=0 loop ）, Press and hold the key 2S, Get into SOS Pattern （PWM=0%,EN Waveform below ）, Long press the button 2S, Enter the flash mode , Cycle through ; If there is a flash or SOS In mode , Press the key once to return to the mode before entering the burst mode , such as ： Before entering the burst mode, it is in mode 1 Work , Return is the pattern 1, If in mode 3 Work , Return is the pattern 3

PA4 The pin detects the battery voltage ： When PA4 Pin voltage detection is lower than 0.7V( The battery :2.8V) after , Enter mode 4, Turn off the lights when the battery is dead

SOS Waveform of （ loop ）：

1、 Working voltage 2.5V~5.5V Suitable for single lithium battery and USB mouth 5V Input .

2、 Built in high and low side switch MOS, Synchronous rectification working mode , Achieve high efficiency and simplify peripheral components , Extend the service life of the application battery .

3、 Low differential pressure applications can support 100% Duty cycle , Built in soft start 、 Overheat protection and overcurrent protection function , adopt FB The pin realizes DC and PWM Dimming control , Internal to analog stroboscopic dimming , When the battery voltage is lower than 3V Still maintain high efficiency output .

4、 built-in MOS Maximum support 3A Constant current output ,VFB Feedback voltage 0.1V, Reduce the power loss of the sampling resistor , Current consumption during shutdown 0.1μA.

TP4333 Product overview ：

TP4333 It is a single chip solution with Synchronous Boost designed for mobile power supply The solution , The linear charging management module is integrated inside 、 Synchronous discharge management module 、 Power detection and control LED Indicator module 、 Protection module . TP4333 Built in charging and discharging power MOS, The charging current is fixed at 0.8A, Synchronous boost support 1A Output current . TP4333 Temperature compensation is integrated inside 、 Over temperature protection 、 Overcharge and over discharge protection 、 Output overvoltage protection 、 Output overload protection 、 Multiple safety measures such as output short circuit protection Protection function to ensure the safety of chip and lithium-ion battery , The application circuit is simple , Charge management and discharge management can be realized with few components .

TP4333 Product features ： 

Discharge output :5V/1A 

Charging current :0.8A 

1A The output discharge efficiency is as high as 93% 

BAT Discharge termination voltage :2.85V 

Optional 4.2V/4.35V Charging voltage 

Intelligent temperature control and over temperature protection 

Integrated output overvoltage protection 、 Short circuit protection 、 Heavy load protection 

Integrated overcharge and over discharge protection 

Support trickle mode and zero voltage charging 

Support flashlight output 

Package form ：SOP8