diff --git a/chipset/bcm/btstack_chipset_bcm_download_firmware.c b/chipset/bcm/btstack_chipset_bcm_download_firmware.c
index 96527db2e..011418048 100644
--- a/chipset/bcm/btstack_chipset_bcm_download_firmware.c
+++ b/chipset/bcm/btstack_chipset_bcm_download_firmware.c
@@ -106,6 +106,10 @@ static void bcm_detect_controller(uint16_t manufacturer,
                     // CYW5557x
                     device_name = "CYW55560A1";
                     break;
+                case 0x2220:
+                    // CYW5551x
+                    device_name = "CYW55500A1";
+                    break;
                 default:
                     break;
             }