From 4458d5dbe2bbc761dcc8c032c50899f6a21d6f6c Mon Sep 17 00:00:00 2001 From: Tim Crawford Date: Fri, 30 Jun 2023 15:48:20 -0600 Subject: [PATCH] bonw15: Set battery Rsense to 5 PRS3 is 0.005 Ohms. However, I am unsure about this change because PRS1 and PRS2 are also both 0.005 Ohms, but are in *parallel*. Ref: bonw15 schematics, Charger (Sheet 70) Signed-off-by: Tim Crawford --- src/board/system76/bonw15/board.mk | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/board/system76/bonw15/board.mk b/src/board/system76/bonw15/board.mk index 84f8398..3e563e7 100644 --- a/src/board/system76/bonw15/board.mk +++ b/src/board/system76/bonw15/board.mk @@ -31,10 +31,11 @@ CFLAGS+=-DPS2_TOUCHPAD=PS2_3 CFLAGS+=-DI2C_USBPD=I2C_1 # Set smart charger parameters +# XXX: PRS1 and PRS2 are in parallel for adapter Rsense? CHARGER=oz26786 CFLAGS+=\ -DCHARGER_ADAPTER_RSENSE=5 \ - -DCHARGER_BATTERY_RSENSE=10 \ + -DCHARGER_BATTERY_RSENSE=5 \ -DCHARGER_CHARGE_CURRENT=3072 \ -DCHARGER_CHARGE_VOLTAGE=17400 \ -DCHARGER_INPUT_CURRENT=16920