diff --git a/Inc/PwmFlagchip.h b/Inc/PwmFlagchip.h
index 416a8f1..96f51c8 100644
--- a/Inc/PwmFlagchip.h
+++ b/Inc/PwmFlagchip.h
@@ -44,7 +44,7 @@ void Get_Set_Tpu_PwmCallback(tPwmFlagchip *env);
 
 #define TPU_FREQ (BUS_CLK / SCG_CLK_DIV)
 
-#define PWM_FREQ 100 // 100 Hz
+#define PWM_FREQ 50 // 100 Hz
 
 #define PERIOD_TICKS (TPU_FREQ / PWM_FREQ)
 
diff --git a/Src/PwmFlagchip.c b/Src/PwmFlagchip.c
index 30fa06b..ae34540 100644
--- a/Src/PwmFlagchip.c
+++ b/Src/PwmFlagchip.c
@@ -80,17 +80,25 @@ static void vPwmRun(tPwmFlagchip *env) {
 }
 
 static void setActivePercent(tPwmFlagchip *env, uint8_t percent) {
+    uint8_t final_percent;
 
+    // Ограничения
     if (percent >= 100)
-        percent = 85;
-
+        percent = 95;
     if (percent == 0)
         percent = 5;
 
-    // Расчет времени активности в тактах
-    uint32_t data = PERIOD_TICKS * percent / 100;
-    osMessageQueuePut(env->q_u32ActiveTime, &data, 0, 0);
+    // Для active LOW (bActiveHigh = false) нужна инверсия
+    // 10% → 90%, 20% → 80% и т.д.
+    if (env->etpu_pwmconfig_tbl.bActiveHigh == false) {
+        final_percent = 100 - percent;
+    } else {
+        final_percent = percent;
+    }
 
+    // Расчет времени активности в тактах
+    uint32_t data = env->etpu_pwmconfig_tbl.u32PeriodTime * final_percent / 100;
+    osMessageQueuePut(env->q_u32ActiveTime, &data, 0, 0);
 }