From db9b2dacb951c2685e9f43801278f10f06e37056 Mon Sep 17 00:00:00 2001 From: Sadeep Madurange Date: Thu, 19 Jun 2025 11:35:22 +0800 Subject: README: current measurements. --- README.txt | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'README.txt') diff --git a/README.txt b/README.txt index 09134a8..ba6a477 100644 --- a/README.txt +++ b/README.txt @@ -1,16 +1,12 @@ CURRENT MEASUREMENTS -Inidividual parts: +PERIPHERALS: R503 FPM: When VCC is connected to a 3.31V supply, FPM draws 13.8mA of quiescent current. When VCC is disconnected (3.3VT connected to 3.31V supply), it draws 2.9uA. -ATmega328P: - -MOSFET: - FS5106B high-torque servo: One of them draws 6.1mA when connected and stabilizes at 4.6mA. The other drew @@ -37,6 +33,9 @@ MP1584EN BUCK CONVERTER 1. When the system is in power down mode, the MCU + FPM + Servo draw 8.9mA at 3.3V. The real amount is likely about 8.9 + 4.6 = 13.5mA. + 2. When FETs are used quiescent current drops to 0uA. + 3. Active current draw (when the servo rotates) measured are 152.8mA, 162.8mA, + 170.3mA REMARKS -- cgit v1.2.3