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PDF TC7765WBG Data sheet ( Hoja de datos )
| Número de pieza | TC7765WBG | |
| Descripción | Wireless Power Receiver Controller IC | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TOSHIBA CDMOS Integrated Silicon Monolithic Circuit
TC7765WBG
Wireless Power Receiver Controller IC
TC7765WBG
1. Outline
The TC7765WBG is wireless power receiver (RX) IC using
communication protocol of wireless power consortium (WPC). The
TC7765WBG has a rectifier circuit, a digital control circuit, a
modulation circuit for communication which controls the supply
voltage to the load. The IC includes all RX functions needed to
construct a standalone wireless power system. The TC7765WBG
can build a wireless power system by combining it with Exclusive
version of TB6865AFG.
S-XFLGA28-0304-0.50-001
2. Applications
Mobile communication devices (Smartphone, Tablet, Wearable), battery pack, mobile accessory etc.
3. Features
• Full bridge rectifier circuit
Auto switch for 3 modes
: Synchronous rectification / Diode rectification / Diode bridge
Low ON resistance
: High Side 45 mΩ (Typ.) / Low side 30 mΩ (Typ.)
Under Voltage Lockout (UVLO) / Over Voltage Detection (OVP) function
• Output voltage
Maximum output current
Over Current Protector (OCP)
: 10 V (Max)
: 1.0 A
: 1.3 A
• Foreign Object Detection (FOD) function
• Under voltage lockout (UVLO) / Over voltage detection (OVLO) function
Thermal shutdown function (TSD)
• Package
: S-XFLGA28-0304-0.50-001 (2.40 mm*3.67 mm*0.5 mm, 0.5 mm pitch)
Please use this product in combination with exclusive version of TB6865AFG.
This wireless power system incorporates a foreign object (exp. metal pieces) detection function, but a foreign object
may generate heat in time before detecting it. About the foreign object, please be careful enough.
This product has a MOS structure and is sensitive to electrostatic discharge. When handling this product, ensure that
the environment is protected against electrostatic discharge by using an earth strap, a conductive mat and an ionizer.
Ensure also that the ambient temperature and relative humidity are maintained at reasonable levels.
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TC7765WBG
7. Equivalent circuits for input/output/power supply terminals
7.1 Power supply terminal
Table 7.1 Equivalent circuits for power supply terminals
Note: Equivalent circuits may be simplified to illustrate circuits.
Pin name
Equivalent circuit
PVDD
PVDD
PGND
7.2 Input/output terminal
Table 7.2 Equivalent circuits for Input/output terminals
Note: Equivalent circuits may be simplified to illustrate circuits.
Pin name
Equivalent circuit
SDA
SDA
Internal circuit
Internal circuit
PGND
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TC7765WBG
8.4 Control state machine
The state machine of the TC7765WBG consists of SHUTDOWN mode, STARTUP mode, OUTPUT mode and OVP
mode. The wireless power system starts operation when transmitters TX coil and the TC7765WBGs RX coil are
adjoined.
The state transition diagram of the wireless feeding control of the TC7765WBG is shown in the Figure 8.4. The
operation state of each circuit in each mode is shown in the table 8.1.
SHUTDOWN
POR release
POR detect
POR
detect
EN=L
UVLO detect
or OCP detect
or EN=L
OVP
OVP detect
STARTUP
FREQ_DET
phase
Normal
freqency
PING
phase
CONFIG&ID
phase
Complete
transmission
Complete
transmission
VRECT_SETUP
phase
-4≦CEP≦0
OUTPUT
Figure 8.4 State transition diagram of TC7765WBG wireless power supply control
11 2015-11-04
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet TC7765WBG.PDF ] | |
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