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DA6021 Datasheet(PDF) 105 Page - Renesas Technology Corp |
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DA6021 Datasheet(HTML) 105 Page - Renesas Technology Corp |
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105 / 225 page  DA6021 HIGHLY INTEGRATED POWER MANAGEMENT IC FOR INTEL® ATOM™ Z3000 PROCESSOR Company Confidential Data Sheet Version 3.A - Final 31-Jan-14 © 2014 Dialog Semiconductor GmbH 105 of 224 www.dialog-semiconductor.com Power Rail VSYS_S 11.6.9 VSYS_S is a voltage rail that is supplied by VSYS through an internal DA6021 power switch with a RDSon of 900m Ω. Description Value [max, m Ω] Val Input, output rails wirebond & internal FET RDS-ON 1000 A,D,E Table 65: VSYS_S Power Switch Specification VSYS_S power switch is enabled when SLP_S3_B is high, unless VSYS_S_CTRL.VSYS_S_SEL bit is set to high. Register Name VSYS_S_CTRL Address 0x64 Page 1 Read/Write Reset Value 0x02 MSB LSB R R R R R R R R reserved VSYS_S _SEL VSYS_S _EN VSYS_S_EN 0 1 VSYS_S off VSYS_S on VSYS_S_SEL 0 1 VSYS_S controlled by SLP_S3_B according to sequencing VSYS_S controlled by VSYS_S_CTRL.VSYS_S_EN bit Regardless of VSYS_S_EN and VSYS_S_SEL, VSYS_S is disable when SLP_S3_B is asserted, means low VSYS_S_CTRL. SLP_S3_B VSYS_S VSYS_S_SEL VSYS_S_EN 1 0 1 Off 1 1 1 On x x 0 Off Table 66: VSYS_S Truth Table Buck Boost Regulator V2P85S 11.6.10 DA6021 integrates a buck/boost converter supplying 2.85V into the system for touch screen, eMMC, sensors and V2P85SX loads. The maximum output current of V2P85S buck/boost regulator is 550mA Figure 40: Buck Boost V2P85S Power Domain Block Diagram BUBO_V2P85S 2.9V 0.55A V2P85S bus V2P85S_FBP V2P85S_FBN V2P85S_VIN 2 C V2P85S_GND 2 2 LX1 2 LX2 2 V2P85S V2P85SX bus V2P85SX_VIN V2P85SX INT_SW_V2P85SX C C |
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