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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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LP87702 Arkusz danych(PDF) 49 Page - Texas Instruments |
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LP87702 Arkusz danych(HTML) 49 Page - Texas Instruments |
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49 / 99 page  8.6.1.1.5 BUCK1_CTRL_1 Register (Offset = 4h) [reset = 8h] BUCK1_CTRL_1 is shown in Figure 8-23 and described in Table 8-15. Return to Table 8-9. Figure 8-23. BUCK1_CTRL_1 Register 7 6 5 4 3 2 1 0 RESERVED BUCK1_FPWM BUCK1_RDIS_ EN BUCK1_EN_PIN_CTRL BUCK1_EN R/W-0h R/W-0h R/W-1h R/W-0h R/W-0h Table 8-15. BUCK1_CTRL_1 Register Field Descriptions Bit Field Type Reset Description 7-5 RESERVED R/W 0h 4 BUCK1_FPWM R/W 0h Forces the BUCK1 converter to operate in PWM mode: 0 – Automatic transitions between PFM and PWM modes (AUTO mode). 1 – Forced to PWM operation. (Default from OTP memory) 3 BUCK1_RDIS_EN R/W 1h Enable output discharge resistor when BUCK1 is disabled: 0 – Discharge resistor disabled 1 – Discharge resistor enabled. 2-1 BUCK1_EN_PIN_CTRL R/W 0h Enable or disable control for BUCK1: 0x0 – only BUCK1_EN bit controls BUCK1 0x1 – BUCK1_EN bit AND EN1 pin control BUCK1 0x2 – BUCK1_EN bit AND EN2 pin control BUCK1 0x3 – BUCK1_EN bit AND EN3 pin control BUCK1 (Default from OTP memory) 0 BUCK1_EN R/W 0h Enable BUCK1 converter: 0 – BUCK1 converter is disabled 1 – BUCK1 converter is enabled. (Default from OTP memory) 8.6.1.1.6 BUCK1_CTRL_2 Register (Offset = 5h) [reset = 1Ah] BUCK1_CTRL_2 is shown in Figure 8-24 and described in Table 8-16. Return to Table 8-9. Figure 8-24. BUCK1_CTRL_2 Register 7 6 5 4 3 2 1 0 RESERVED BUCK1_ILIM BUCK1_SLEW_RATE R/W-0h R/W-3h R/W-2h Table 8-16. BUCK1_CTRL_2 Register Field Descriptions Bit Field Type Reset Description 7-6 RESERVED R/W 0h 5-3 BUCK1_ILIM R/W 3h Sets the switch peak current limit of BUCK1. Can be programmed at any time during operation: 0x0 – 1.5 A 0x1 – 2.0 A 0x2 – 2.5 A 0x3 – 3.0 A 0x4 – 3.5 A 0x5 – 4.0 A 0x6 – 4.5 A 0x7 – Reserved (Default from OTP memory) www.ti.com LP87702-Q1 SNVSAL1C – DECEMBER 2017 – REVISED JUNE 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 49 Product Folder Links: LP87702-Q1 |
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