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PCA9420BS Datasheet(PDF) 37 Page - NXP Semiconductors |
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PCA9420BS Datasheet(HTML) 37 Page - NXP Semiconductors |
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37 / 85 page  NXP Semiconductors PCA9420 Power management IC for low-power microcontroller applications 09h: 45 mA 19h: 125 mA 29h: 205 mA 39h: 285 mA 0Ah: 50 mA 1Ah: 130 mA 2Ah: 210 mA 3Ah: 290 mA 0Bh: 55 mA 1Bh: 135 mA 2Bh: 215 mA 3Bh: 295 mA 0Ch: 60 mA 1Ch: 140 mA 2Ch: 220 mA 3Ch: 300 mA 0Dh: 65 mA 1Dh: 145 mA 2Dh: 225 mA 3Dh: 305 mA 0Eh: 70 mA 1Eh: 150 mA 2Eh: 230 mA 3Eh: 310 mA 0Fh: 75 mA 1Fh: 155 mA 2Fh: 235 mA 3Fh: 315 mA Table 24. Linear battery charger constant current (CC) setting...continued 9.5.16 Battery charger control_2 (CHG_CTL2, address 12h) This register stores the present status of chip, part 2, linear battery charger related status. This is a READ AND WRITE register, and this register is locked by CHG_LOCK. Bit Symbol Default value Type Function 7 RSVD 0 R/W Reserved bit 6 RSVD 0 R/W Reserved bit 5 4 3 2 1 0 ICHG_TOPOFF [5:0] 000100b R/W Program a top-off current Note: The current default value for ICHG_TOPOFF [5:0] is set at 4 mA, but it should be MTP programmable. Table 25. CHG_CNTL2 register bit description 00h: 0mA 10h: 16mA 20h: 32mA 30h: 48mA 01h: 1mA 11h: 17mA 21h: 33mA 31h: 49mA 02h: 2mA 12h: 18mA 22h: 34mA 32h: 50mA 03h: 3mA 13h: 19mA 23h: 35mA 33h: 51mA 04h: 4mA (default) 14h: 20mA 24h: 36mA 34h: 52mA 05h: 5mA 15h: 21mA 25h: 37mA 35h: 53mA 06h: 6mA 16h: 22mA 26h: 38mA 36h: 54mA 07h: 7mA 17h: 23mA 27h: 39mA 37h: 55mA 08h: 8mA 18h: 24mA 28h: 40mA 38h: 56mA 09h: 9mA 19h: 25mA 29h: 41mA 39h: 57mA 0Ah: 10mA 1Ah: 26mA 2Ah: 42mA 3Ah: 58mA 0Bh: 11mA 1Bh: 27mA 2Bh: 43mA 3Bh: 59mA 0Ch: 12mA 1Ch: 28mA 2Ch: 44mA 3Ch: 60mA 0Dh: 13mA 1Dh: 29mA 2Dh: 45mA 3Dh: 61mA Table 26. Linear battery charger top-off charge current setting PCA9420 All information provided in this document is subject to legal disclaimers. © 2023 NXP B.V. All rights reserved. Product data sheet Rev. 4.2 — 26 July 2023 37 / 85 |
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