Introduction

Baseus recently launched a 60W GaN-powered T-Space Dock, which features 3D scanning and 1:1 custom mold design. This ensures a perfect fit for the refreshed Tesla Model 3/Y, maintaining the overall aesthetic of the interior without compromising on appearance.

The new T-Space Dock not only incorporates two USB-C cables but also features an improved power output. It supports 60W and 30W charging, with the ability to simultaneously charge devices at 60W+30W without a power drop. Additionally, it includes one USB-A port and one USB-C port, enabling the charging of up to four devices simultaneously. Below, we take a closer look at this product.

Product Appearance

The front of the packaging features the Baseus logo, the product name, an image of the product, and key selling points.

The back of the packaging includes usage scenarios and technical specifications.

The package contains the Baseus T-Space Dock, a user manual, cartoon stickers, and other accessories.

It uses 3D scanning and a 1:1 custom mold design, ensuring a precise fit during assembly, while seamlessly integrating with the center console.

The input is changed to a cigarette lighter connection for the power supply.

The cigarette lighter is made of a one-piece molded plastic shell with a smooth surface.

The top is designed with the Baseus logo.

Both ends of the cable are designed with anti-bend protection.

The dock's exterior is made of ABS+PC fire-resistant material, with a matte finish.

The body features an integrated light cover that does not obstruct the vehicle's original lighting.

The back of the device displays the product's technical specifications.

Model: BS-TS017

Input: DC: 12V 10A

Output:

Retractable Cable 1: 5V 3A, 9V 3A, 12V 3A, 15V 3A, 20V 3A 60W (Max.)

Retractable Cable 2: 5V 3A, 9V 3A, 12V 2.5A 30W (Max.)

Type-C: 5V 3A, 9V 3A, 12V 2.5A 30W (Max.)

USB-A: 5V 3A, 9V 3A, 10V 2.25A, 12V 2.5A 30W (Max.)

Retractable Cable 1 + Retractable Cable 2: 60W + 30W

Retractable Cable 1 + Retractable Cable 2 + Type-C/USB-A: 45W + 30W + 22.5W

Retractable Cable 1 + Retractable Cable 2 + (Type-C + USB-A): 45W + 30W + (17W)

The product has passed CE and FCC certifications.

Silicone protective corners are placed on both sides to increase resistance and enhance stability.

The top features a sliding space gray metal panel, which is dustproof and splash-resistant.

Beneath the panel, there are a USB-A port, a USB-C port, and two retractable cables hidden.

Both retractable cable terminals are equipped with magnetic storage slots.

The terminals' outer shells are marked with "60W" and "30W," indicating the maximum output power.

Both the USB-A and USB-C ports support a maximum output of 30W.

The retractable cables have a flat design.

The cigarette lighter diameter and input cable length are about 36 cm (14 inches).

The longest length of the body is approximately 20.6 cm (8.1 inches).

The width is 36.77 mm (1.45 inches).

Both USB-C retractable cables are 79.5 cm (31.3 inches) in length.

That's how big it is on the hand.

The weight is about 367 g (12.95 oz).

When powered on, the indicator light inside the cable storage slot glows blue.

Simulating a 12V DC power supply, the ChargerLAB POWER-Z KM003C shows that the USB-C port supports the following protocols: QC3.0, FCP, SCP, AFC, SFCP, PD3.0, DCP, SAM 2A, and Apple 2.4A.

It has three fixed PDOs of 5V3A, 9V3A, and 12V2.5A, along with one set of PPS, which is 3.3-11V3A.

The USB-A supports QC3.0, FCP, SCP, AFC, SFCP, DCP, SAM 2A, and Apple 2.4A protocols.

The 60W USB-C retractable cable supports the following charging protocols: UFCS, QC2.0/5, SCP, AFC, SFCP, PD3.0, PPS, DCP, SAM 2A, and Apple 2.4A.

It has five fixed PDOs of 5V3A, 9V3A, 12V3A, 15V3A, and 20V3A, along with one set of PPS, which is 3.3-21V3A.

The 30W USB-C retractable cable supports the following charging protocols: 持QC3.0/4+, SCP, AFC, SFCP, PD3.0, PPS, DCP, SAM 2A, and Apple 2.4A.

It has three fixed PDOs of 5V3A, 9V3A, and 12V2.5A, along with one set of PPS, which is 3.3-11V3A.

Teardown

Next, let's take it apart to see its internal components and structure.

Remove the cover.

Both USB-C retractable cable modules are connected to the PCB for power supply and are secured in place by positioning plates.

The connection between the cable core and the retractable cable module is protected with adhesive to ensure durability and prevent damage.

Remove both retractable cable modules and the control PCB.  

The other end of the wire cores is also treated with adhesive at the soldering point to the small PCB.

The solder joints at the connection points between the red and black wires of the input cable and the control PCB are full and well-formed.

Remove and separate the control PCB.

Two thermal pads are placed at the corresponding PCB areas of the housing.

A graphite thermal pad is also placed beneath the thermal pads for additional heat dissipation.

The front of the PCB features buck protocol chips, buck inductors, solid capacitors, a synchronous buck-boost controller, synchronous buck-boost MOSFETs, a protocol chip, and VBUS MOSFETs.

The back of the PCB has two USB-C sockets for connecting the retractable modules.

The solid capacitor for input filtering is from ST, with a specification of 35V 100μF.

The other capacitor is also from ST, with a specification of 25V 220μF.

The buck inductor is insulated and protected with a heat-shrink tube.

The buck protocol chip used for the 30W USB-C retractable cable is from iSmartWare, model SW3526S. It integrates a 3.5A high-efficiency synchronous rectification buck converter, supporting various charging protocols such as PPS, PD, QC, AFC, FCP, SCP, PE, SFCP, and low-voltage direct charging. It also supports CC/CV modes. Only a few external components are needed to create a complete, high-performance multi-fast-charging protocol solution.

Thanks to the chip's high integration, the SW3526S consolidates the protocol chip, synchronous buck controller, and buck MOSFET into a single package, significantly simplifying the circuit design for multi-port fast charging.

Here is the information about iSmartWare SW3526S.

The solid capacitor is also from ST, with a specification of 35V 100μF.

The other solid capacitor has a specification of 25V 220μF.

The synchronous buck-boost controller used for the 60W USB-C retractable cable is from iSmartWare, model SW3203. This is a high-efficiency synchronous 4-switch buck-boost DC-DC controller that supports a maximum output current of 6.85A and can provide up to 120W of power output. It integrates two output detection channels and three NMOS drivers. When paired with a protocol chip, it forms a simple and complete high-power fast charging solution.

The SW3203 is packaged in a QFN-244x4mm form factor and includes an integrated I2C interface. It supports input over-voltage protection, output over-voltage protection, output over-current protection, output short-circuit protection, inductance peak current limiting protection, and over-temperature protection. This chip can be used in applications such as car chargers, adapters, docking stations, USB sockets, industrial equipment, and e-cigarettes.

Here is the information about iSmartWare SW3203.

The synchronous buck-boost MOSFETs are from Innoscience, marked with D17, and the model is INN040FQ043A. This is an enhanced GaN FET with a 40V breakdown voltage and a low Rds(on) of 4.3mΩ. It features extremely low gate charge and conduction resistance, as well as a very small package size. These MOSFETs are suitable for high-frequency DC-DC converters, load points, RF envelope tracking, laptop chargers, power banks, and motor drives. They come in an FCQFN 3x4mm package.

Here is the information about Innoscience INN040FQ043A.

The other set of synchronous buck-boost MOSFETs is from Ruichips, model RUH4040M. These are NMOS transistors with a 40V breakdown voltage and a conduction resistance (Rds(on)) of 5.5mΩ. They come in a DFN5060 package.

Close-up of the buck-boost inductor used in combination with the MOSFETs.

The solid capacitor for output filtering is from ST, with a specification of 25V 220μF.

The protocol chip used in the 60W USB-C retractable cable is from iSmartWare, model SW2333H. This is a highly integrated fast-charging protocol controller featuring an embedded ARM Cortex-M0 core, with a maximum operating frequency of 40MHz. It supports general peripheral interfaces such as I2C, UART, and GPIO. The SW2333H supports current limit control for outputs ranging from 0.3A to 10A, in 50mA steps. It also supports optocoupler/FB/I2C feedback control and bus voltage detection, with integrated CV and CC loops, VIN and VBUS quick discharge, and NMOS driver circuits.

The SW2333H integrates Type-C interface logic and PD 3.1 PHY, supporting the BC1.2 standard, as well as Apple 2.4A and Samsung 1.2A modes. It is compatible with multiple mainstream fast charging protocols, including PD 3.1, QC 5/4+/4/3+/3/2, UFCS, and also supports private protocol customization.

With strong USB Type-C/USB PD capabilities, the SW2333H supports Type-C DFP/Source roles and Rp values for 3A, 1.5A, and Default USB Power, as well as VCONN and low-power detection modes. It also supports hardware BMC transmission and reception, with an integrated PD physical layer, capable of supporting output voltages up to 25V. This chip is mainly used in adapters, power strips, car chargers, and other applications.

The SW2333H also features comprehensive protection functions, including input undervoltage/low voltage protection, input/output overcurrent protection, input/output overvoltage protection, output undervoltage protection, chip overtemperature protection, VCONN overcurrent protection, DP/DM/CC overvoltage protection, and DP/DM weak short-circuit protection.

The output VBUS MOSFET is marked with B4052 and comes in a PRPAK 3x3 package.

The buck protocol chip for the USB-A and USB-C ports is the iSmartWare SW3517P. This is a highly integrated multi-fast charging protocol dual-port charging chip that supports fast charging output on either the A or C port, with independent current limiting for both ports. It integrates a 5A high-efficiency synchronous buck converter and supports various fast charging protocols, including PPS, PD, QC, AFC, FCP, SCP, PE, SFCP, as well as CC/CV modes and dual-port management logic. Only a few external components are required to create a complete, high-performance multi-fast charging protocol dual-port charging solution.

Here is the information about iSmartWare SW3517P.

The buck inductor used in conjunction with the chip is insulated and protected with a heat shrink tube.

The two solid capacitors are also from ST, both with a specification of 35V 100μF.

The VBUS MOSFET is from APM, model AP10H03DF. It is a dual NMOS with a 30V breakdown voltage and a conduction resistance (Rds(on)) of 12mΩ. It comes in a PDFN 3x3-8L package.

Close-up of the LED indicator light.

Close-up of the other LED indicator light.

Close-up of the USB-C socket.

Close-up of the USB-A socket.

Close-up of the two USB-C sockets.

A detailed view of the disassembled USB-C retractable cable module.

Close-up of the PCB slip ring.

Close-up of the brush on the retractable cable spool.

Well, those are all components of the Baseus T-Space 3rd Generation 60W GaN Charger Dock for Tesla.

Summary of ChargerLAB

Here is the component list of the Baseus T-Space 3rd Generation 60W GaN Charger Dock for Tesla for your convenience.

The input is powered through a cigarette lighter connection, with two USB-C retractable cables. It supports a maximum of 60W PD fast charging. The two USB-C cables are paired with one USB-A and one USB-C port, supporting output strategies such as 60W+30W, 45W+30W+22.5W/17W. The body also features additional design details, including a lamp cover, indicator lights, and magnetic storage.

After taking it apart, we found that the 60W USB-C retractable cable uses the iSmartWare SW3203 buck-boost controller paired with Innoscience INN040FQ043A GaN devices for voltage regulation, ensuring efficiency and temperature rise control during high-power fast charging. Additionally, the iSmartWare SW3526S, SW3517P, and SW2333H are used for buck conversion and interface output control, making the solution mature and reliable.

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