diff --git a/tests/driver_ltc4150/Makefile b/tests/driver_ltc4150/Makefile
index bef4297864..dbb7fb4639 100644
--- a/tests/driver_ltc4150/Makefile
+++ b/tests/driver_ltc4150/Makefile
@@ -4,6 +4,7 @@ BOARD ?= msba2
 
 USEMODULE += fmt_table
 USEMODULE += ltc4150
+USEMODULE += ztimer_usec
 
 include $(RIOTBASE)/Makefile.include
 
diff --git a/tests/driver_ltc4150/main.c b/tests/driver_ltc4150/main.c
index 0591d43bae..3b784e62ed 100644
--- a/tests/driver_ltc4150/main.c
+++ b/tests/driver_ltc4150/main.c
@@ -25,7 +25,8 @@
 #include "led.h"
 #include "ltc4150.h"
 #include "thread.h"
-#include "xtimer.h"
+#include "ztimer.h"
+#include "timex.h"
 
 typedef struct {
     uint64_t last_usec;
@@ -96,8 +97,7 @@ static void pulse_cb(ltc4150_dev_t *dev, ltc4150_dir_t dir, uint64_t now_usec,
  */
 static void spin(uint32_t seconds)
 {
-    uint32_t till = xtimer_now_usec() + US_PER_SEC * seconds;
-    while (xtimer_now_usec() < till) { }
+    ztimer_spin(ZTIMER_USEC, US_PER_SEC * seconds);
 }
 
 /**
@@ -110,14 +110,14 @@ static void *busy_thread(void *arg)
         /* one minute of ~0% CPU usage */
         LED0_OFF;
         LED1_OFF;
-        xtimer_sleep(60);
+        ztimer_sleep(ZTIMER_USEC, 60 * US_PER_SEC);
         change_of_load_level = 1;
 
         /* one minute of ~50% CPU usage */
         for (unsigned i = 0; i < 30; i++) {
             LED0_OFF;
             LED1_OFF;
-            xtimer_sleep(1);
+            ztimer_sleep(ZTIMER_USEC, 1 * US_PER_SEC);
             LED0_ON;
             LED1_ON;
             spin(1);