In April 2015, LeTV released the first mobile phone with a Type-C interface, and the Type-C interface was widely adopted by mobile phone manufacturers. At the same time, with the help of USB PD, the Type-C interface has basically been popularized in just two years. The application of Type-C interface is not only limited to mobile phones, laptops, tablets, mobile power supplies, chargers, etc. are also important carriers.
When it comes to Type-C, many people think of USB PD fast charging as soon as possible. In fact, Type-C and USB PD fast charging is not a peer-to-peer relationship, but only the bearer interface of the USB PD protocol. The Type-C interface does not mean that the product supports the USB PD fast charging protocol. For example, one plus three, one plus five, millet 5 and other mobile phones are Type-C interfaces, but none of them support USB PD protocol. The charger disassembled today is also a device with Type-C interface but does not support USB PD fast charging. It is the product type Type-C+ 5USB multi-port charger.
First, the appearance
Pinsheng's multi-port charger uses a black-bottomed box. The overall design of the package is relatively delicate. It uses a high-cost bronzing process and uses a variety of colors to reflect different selling points. The box is moderately sized and has weight in your hand. The general appearance of the product can be seen from the front of the box.
The English version of the interface on the back of the box is introduced, and the parameter information is printed on a white sticker.
The main selling points of the product: 5 sets of USB, 1 set of Type-C interface and maximum output power of 40W.
Product model: TS-C088. In terms of output, the six output interfaces can only output 5V, and the maximum current is 8A. Among them, the single USB-C port output supports up to 3A current, and the maximum current of single USB-A port output is 2.4A. In other words, the USB-C interface of this charger does not support USB PD fast charge output.
Pinson's multi-port charger comes standard with an 8-line mains input cable with a magnetic cable.
The charger is made of flame-retardant PC material, gray and white; the front is the "PISEN" logo and the "one" type power indicator.
The parameter part on the back of the product. Overall, the workmanship and details of the outer casing are in place.
Output interface close-up. A total of five USB-A interfaces and one USB-C interface. With the increase of users' electronic devices, such multi-port chargers have increasingly become the charging accessories favored by consumers. Because a multi-port charger like this requires only one charger that basically solves the problem of all mobile devices in a family of three, it is very convenient to use in the living room.
The input also uses a detachable design, "8" word mains input socket.
Work indicator light, very intimate.
Use ChargerLAB POWER-Z KT001 to trigger fast charge mode, USB-C interface supports APPLE charging protocol.
The USB-C interface does not support USB PD fast charging.
The same five-USB-A protocol detection is also performed using POWER-Z KT001, which supports the APPLE protocol.
Second, dismantling
Ultrasonic welding, which is common in chargers, can be opened without damage.
The charger fills some glue between the circuit board and the outer casing, which can effectively prevent the looseness of the circuit board caused by the drop during the user's use, and can timely dissipate the heat generated by the internal components.
Since there is not much glue, the circuit and the casing are easier to separate.
In order to meet the high current requirements of multi-interface simultaneous operation, the transformer part of the internal circuit board uses a large piece of metal heat sink.
On the reverse side of the circuit, the whole looks unconventional. At the same time, tin treatment is applied in many locations to enhance the current carrying capacity.
An insulating plastic sheet is also placed in the mains input section.
The heat sink of the transformer is fixed by screws.
The heat sink and the transformer contact position are coated with thermal grease.
In addition, for the main switch tube part of the entire circuit, there is also a separate heat sink.
Mains input fuse.
Mains input protection and EMI circuit.
The transformer has a copper foil package for shielding.
The main capacitor uses Fengbin 400V 82μF electrolytic capacitor.
The output interface is filtered using three Fengbin solid capacitors with a specification of 6.3V and 1000μF.
Two blue anti-jamming capacitors.
The Type-C interface has a separate small board with no other components on the board, and it is destined that this interface can only output 5V.
All interfaces on the output are not magnetically attracted.
Qiangmao PANJIT rectifier bridge, model GBL408.
The primary side main switch tube 650R700 is from Wuxi Huarun Huajing.
Primary side PWM controller, Fairchild FAN602.
Mao Xiao Te Diode SD1060CS.
Synchronous rectification MOS AO62604.
Fairchild Fairchild Synchronous Rectifier Controller FAN6240.
Each USB-A output interface uses a TCS2101 current-limited smart identification chip from a semiconductor, a total of five.
Chengyu Semiconductor USB Type-C output protection controller TCS1416.
EL 817 optocoupler.
Chengyu Semiconductor Type-C chip and current limit switch TCP1101.
The latest TCP1101 current-limit protection chip from Chengyu Semiconductor is packaged in SOT23-6, which is the smallest in its class. It integrates an ultra-low resistance 16mΩ MOSFET with programmable current limit, ±7% current limit of 3A current, and built-in soft start. Both the output and data lines are ESD electrostatically protected, HBM > 8kV, IEC 61000-4-2 air discharge > 15kV, contact discharge > 8kV.
Family portrait.
to sum up
Although the multi-port charger of Pinsheng is not compatible with the USB PD fast charge level, the output power of the maximum 40W is already very powerful. Equipped with 6 charging interfaces to meet the needs of users, and all interfaces support APPLE charging protocol, no pressure on Apple mobile phones and Apple tablets. Not only that, the products are not used and workmanship is also very fine, using the United States Fairchild's power Solution, Taiwan's Fengbin's capacitors, Chengdu's Apple's smart identification chip and so on.
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