Datasheet > TC7738WBG

TC7738WBG

更新时间： 2023-12-20 18:45:30

品牌	Logo	应用领域
东芝 - TOSHIBA		/
页数	文件大小	规格书
48页	1096K
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TC7738WBG 数据手册

TC7738WBG

TOSHIBA CMOS Integrated Circuit Silicon Monolithic

TC7738WBG

System Power IC

1. Overview

TC7738WBG is a system power IC which builds in 6 channels of a buck

DC-DC convertor and 2 channels of LDO. The IC operation voltage(3.3 V

or 5 V) can be changed using I²C interface and pin settings, power

supply can be provided to various systems. In addition, this product

incorporates the PROTECTION-SW for the input protection.

Package

(*Refer to as hereinafter, Channel: CH, DC-DC convertor: DC-DC)

2. Application

SSD (Solid State Drive), portable devices, etc.

S-UFBGA45-0403-0.40-001

Weight: 10 mg (Typ.)

3. Features



Power supply voltage (VIN):2.9 V to 5.5 V

(PVIN1 to 6):2.9 V to 5.5 V

(LDO1_IN): 2.9 V to 5.5 V



IC operation condition setting when the power supply voltage is set to 3.3 V/5.0 V by MODE_SEL pin.

6 CH DC-DC convertor + 2 CH LDO

･ CH1: 2.325 V to 2.700 V (25 mV step), 4.0 A (MAX)

･ CH2: 1.175 V to 1.550 V / 1.025 V to 1.400 V (25 mV step), 1.0 A (MAX)

･ CH3: 1.625 V to 2.000 V (25 mV step), 2.0 A(MAX)

･ CH4: 0.825 V to 1.200 V / 1.625 V to 2.000 V (25 mV step), 1.0 A (MAX)

･ CH5: 0.825 V to 1.200 V / 0.725 V to 1.100 V (25 mV step), 1.0 A (MAX)

･ CH6: 0.825 V to 1.200 V / 0.725 V to 1.100 V (25 mV step), 3.5 A (MAX)

･ LDO1: 2.325 V to 2.700 V / 1.625 V to 2.000 V (25 mV step), 0.3 A (MAX)

･ LDO2: 3.125 V to 3.500 V (25 mV step), 0.3 A (MAX)

Built-in BYPASS-SW: CH1, LDO2



Built-in LOAD-SW: CH5

Efficiency control in the case of the light load (PWM/PFM operation)

Control by I²C interface

Initial values selection of DC-DC (CH1 to CH6) and LDO1 output by VSEL0 pin

Built-in input PROTECTION-SW

Built-in protection functions

･Low input voltage detection circuit (UVLO)

･Input power supply Over Voltage Protection (OVP_1)

･Input power supply Over Current Limitation (OCL_1)

･Input power supply Over Current Protection (OCP)

･Output Over Voltage Protection (OVP_2)

･Output Under Voltage Protection (UVP)

･Output Over Current Limitation (OCL_2)

･Thermal Shutdown protection (TSD)



Package: S-UFBGA45-0403-0.40-001 (2.91 mm ×3.31 mm, 0.4 mm Pitch)

2016-11-17

12 3 4 5 6 7...48

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