STW4510 datasheet(6/57 Pages) STMICROELECTRONICS

No. de pieza	STW4510

Descripción Electrónicos	2 step-down DC/DC converters / 5 LDO power management

PDF	57 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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6 / 57 page

Obsolete

Product(s)

- Obsolete

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Functional block diagram

STw4510

6/57

Functional block diagram

Figure 1.

STw4510 block diagram

Vbat_Vsdc2

Vlx_Vsdc2

Gnd_Vsdc2

Vsdc2

Vbat_Vsdc1

Vlx_Vsdc1

Gnd_Vsdc1

Vsdc1

Clock

switching

and

control

Internal

Oscillator

Clk32k_in

Vbat_Osc

Gnd_Osc

VddIO

General

control

Pon

VddOK

Res_pro

Pwren

SW_reset

Gnd_IO

SDA

SCL

PORn_Vbat

I2C

Interface

SOFT_START

Vref

Bias

Vref_18

Vbat_ana

Gnd_ana

Vsdc1 & Vsdc2

Monitoring

Thermal

Shutdown

Supply

Voltage

Selection

Vsdc1_sel<0>

Vsdc1_sel<1>

Vana3_sel>0>

Vana3_sel<1>

Vdig_sel<0>

Vdig_sel<1>

Vana1_sel<0>

Vana1_sel<1>

Vana2_sel<0>

Vana2_sel<1>

Vdig

1, 1.2, 1.5 V

100 or 250 mA

Vbat_dig

Gnd_vdig

Vdig

Vana1

1.5, 1.8, 2.5, 2.8 V

150 mA

Vbat_vana1_vana3

Vana3

1.8, 2.8, 3.0, 3.3 V

150 mA

Gnd_vana1_vana3

Vana1

Vana2

150 mA

Vbat_vana2

Gnd_vana2

Vana2

Vmmc

1.8, 2.85, 3.0 V

150 mA

Vbat_vmmc

Gnd_vmmc

Vmmc

Pon

Pwren

Pon

PM00125

1.8, 2.8,3.0, 3.3 V

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